Term
What is the muscular movement of the gut wall leading to the breakdown, mixing, and passge of ingested nutrients, then elimination of wastes? |
|
Definition
|
|
Term
What are the four overall functions of the digestive system? |
|
Definition
Digestion, Peristalsis, Secretion, and Absorption |
|
|
Term
What are the two types of Digestion? |
|
Definition
|
|
Term
What are the four major layers of the G.I. tract |
|
Definition
Mucosa, Submucosa, Muscularis, Serosa |
|
|
Term
What are the three tissue types in the Muscosa layer? |
|
Definition
Epithelium, Lamina propria, Muscularis mucosa |
|
|
Term
What is the tissue type in the Submucosa? |
|
Definition
Connective tissue layer with blood and lymphatic vessels and nerves |
|
|
Term
What is the tissue type in the Muscularis? |
|
Definition
Two layers of smooth muscle |
|
|
Term
What tissue type is in the Serosa? |
|
Definition
|
|
Term
What are the 3 sublayers of the mucosa? |
|
Definition
Epithelium, Lamina Propria and Muscularis mucosa |
|
|
Term
What tissue type is in the Epithelium sublayer of the mucosa? |
|
Definition
Simple columnar epithelium with mucous glands |
|
|
Term
What type of tissue is in the lamina propria of the mucosa sublayer? |
|
Definition
Loose areolar connective tissue |
|
|
Term
What tissue type is found in the Muscularis mucosa of the mucosa sublayer? |
|
Definition
Thin layer of smooth muscle |
|
|
Term
What is the name for specialized columnar epithelial cells that secrete mucous? |
|
Definition
|
|
Term
The internal cavity of the g.i. tract is called the??? |
|
Definition
|
|
Term
How is the surface epithelium of the oral cavity, pharynx and esophagus different from the rest of the g.i. tract? Why is it different? |
|
Definition
Mouth pharynx and the initial part of the esophagus are of stratified squamous epithelium because it undergoes more abrasive actions of chewing, masserating and grinding food bulk before it is swallowed. |
|
|
Term
What layer of the mucosa can you not see on our slides of the g.i. tract? |
|
Definition
Muscularis mucosa, it is too thin for our scopes to discern |
|
|
Term
What is the function of the muscularis externa? |
|
Definition
It contracts and moves villi and plicae |
|
|
Term
The muscularis externa consists of what 2 sublayers? |
|
Definition
Longitudinal and circular |
|
|
Term
When the circular smooth muscle layers contracts what effect does this have on the g.i. tract? |
|
Definition
It segments the food mass or segmentation contractions |
|
|
Term
When the longitudinal smooth muscle layer contracts what effect does this have on the g.i. tract? |
|
Definition
It generates peristaltic waves that move food along G.I. tract |
|
|
Term
How is the muscularis externa of the pharynx and esophagus different from the rest of the tract? |
|
Definition
First 1/3 of pharynx and esophagus is all skeletal muscle
Middle 1/3 is mixture of skeletal and smooth muscle
Bottom 1/3 is all smooth muscle |
|
|
Term
How is the muscularis externa of the stomach different from the rest of the g.i. tract? |
|
Definition
Consists of 3 layers: longitudinal, circular and oblique |
|
|
Term
How is the muscularis externa of the colon different from the rest of the g.i. tract? |
|
Definition
It is much thinner and the longitudinal layer is divided into bands called teniae coli |
|
|
Term
What is another name for the serosa tha tcovers the organs of the abdominopelvic cavity? |
|
Definition
Visceral peritoneum = mesenteries |
|
|
Term
What is another name for the serosa that lines the walls of the abdominopelvic cavity? |
|
Definition
|
|
Term
What are the functions of the mesenteries? |
|
Definition
Prevent entagnlement of intestines
Contain vessels and nerves and lymphatic tissue
Prevent attachment of intestines to abdominal wall |
|
|
Term
Explain the difference between intraperitoneal and retroperitoneal. |
|
Definition
Intraperitoneal refers to organs within the peritoneum l |
|
|
Term
Is the stomach Intraperitoneal or retroperitoneal? |
|
Definition
|
|
Term
Is the liver intraperitoneal or retroperitoneal? |
|
Definition
|
|
Term
Is the duodenum and pancreas intra or retroperitoneal? |
|
Definition
Pancreas and duodenum are partially retroperitoneal |
|
|
Term
The oral cavity is involved in what type of digestion |
|
Definition
Both mechanical and chemical |
|
|
Term
Chemical digestion in the oral cavity involves what enzyme? |
|
Definition
|
|
Term
Mechanical digestion in the oral cavity involves what 2 structures? |
|
Definition
|
|
Term
What are the six components of saliva? |
|
Definition
Amylase, Mucin, Lipase, Bicarbonate, Antibodies, and Lysozymes |
|
|
Term
What is the function of amylase? |
|
Definition
|
|
Term
What is thefunction of Mucin? |
|
Definition
Moistens and binds food mass |
|
|
Term
What is the function of Lipase? |
|
Definition
Activated in stomach to break down lipids |
|
|
Term
What is the function of Bicarbonate? |
|
Definition
Makes mouth alkaline in pH |
|
|
Term
What is the function of Antibodies? |
|
Definition
|
|
Term
What is the function of Lysozymes? |
|
Definition
Kills foreign bacteria and pathogens |
|
|
Term
What enzyme is secreted by the salivary glands and is activated by hydrochloric acid in the stomach? |
|
Definition
|
|
Term
What is the function of the pharynx and the esophagus? |
|
Definition
To conduct food to stomach |
|
|
Term
What sphincter is associated with the lower esophagus? Why is this sphincter called a physiological sphincter? What is its function? |
|
Definition
Lower esophageal sphincter is not a true anatomical sphincter but physiologically keeps food mass in the stomach and prevents regurgitation back into esophagus |
|
|
Term
What are 3 functions of hte stomach? |
|
Definition
Digestion; peristalsis and Secretion |
|
|
Term
The stomach is associated with what types of digestion? |
|
Definition
Both chemical and mechanical |
|
|
Term
Chemical digestion of what organic molecules occurs in the stomach? |
|
Definition
Carbohydrates, proteins and lipids.....Not nucleic acids. |
|
|
Term
What allows stomach to churn and mix food? |
|
Definition
Three layers of smooth muscle |
|
|
Term
What are the ridges in the stomach wall that alllow for distention? |
|
Definition
|
|
Term
What 2 sphincters are associated with the stomach? |
|
Definition
|
|
Term
Content of the stomach are referred to as what? |
|
Definition
|
|
Term
What are the 3 regions of the small intestines? |
|
Definition
Duodenum. Jejunum. and Ileum |
|
|
Term
The mucosa and submucosa of the small intestines are deeply folded to form the ......... circularis? |
|
Definition
|
|
Term
The mucosa is further folded into projections called...... |
|
Definition
|
|
Term
The cell membranes of the colunar epithelial cells are further folded to form...... |
|
Definition
|
|
Term
What is the function of all this folding of villi and microvilli? |
|
Definition
Increases surface area from 3 square feet to 2200 square feet |
|
|
Term
What are the functions of the small intestines? |
|
Definition
Peristalsis, digestion, secretion, and absorption |
|
|
Term
The small intestines are involved in what type of digestion? |
|
Definition
|
|
Term
Chemical digestion in the small intestines involves secretion from what 3 organs? |
|
Definition
Pancreas; liver and stomach |
|
|
Term
Where does most water and mineral ion absorption take place in the g.i. tract? |
|
Definition
|
|
Term
Substances transported into msall intestine villi capillaries are transported to the liver via the....? |
|
Definition
|
|
Term
Where does carbohydrate digestion begin? Where is it completed? |
|
Definition
Begins in the mouth and ends in the small intestines |
|
|
Term
Where does lipid digestion begin? where is it completed? |
|
Definition
Begins in the stomach and is completed in small intestins |
|
|
Term
Where does protein digestion begin? where it si completed |
|
Definition
begins in the stomach and is completed in the small intestines |
|
|
Term
What happen to large lipid globules before digestion enzymes can go to work? |
|
Definition
Bile breaks themd own by lowering surface tension |
|
|
Term
Where does nucleic acid digestion begin? where is ti completed? |
|
Definition
Begins and ends in small intestines |
|
|
Term
Bile from the common bile duct and pnacreatic enzymes from the pancreatic duct enter the duodenum of the small intestines through the........???? |
|
Definition
|
|
Term
There are 2 openings into the duodenum. The superior one is for the .... |
|
Definition
|
|
Term
What is the inferior opening into the duodenum for? |
|
Definition
|
|
Term
What duct is associated with the gall bladder? |
|
Definition
|
|
Term
What ducts deliver bile from liver cells? |
|
Definition
|
|
Term
Six sided hepatic lobules are arranged around a.....vein |
|
Definition
|
|
Term
............ is located at each corner of the hepatic lobule. |
|
Definition
|
|
Term
A portal triad is composed of a hepatic artery, a ........... and a ........... |
|
Definition
A portal triad is composed of a hepatic artery, a hepatic portal vein and a bile duct |
|
|
Term
leaky capillaries called.......... allow the blood to percolate through the liver |
|
Definition
|
|
Term
What is bile composed of? What is the function of bile? |
|
Definition
Bile salts, cholesterol and bilirubin |
|
|
Term
What is bilirubin and where does it come from? |
|
Definition
Breakdown product from hemoglobin and rbcs |
|
|
Term
What symptom would be an indication that the liver is not functioning properly? |
|
Definition
Jaundiced, always tired and lack energy |
|
|
Term
What are the macrophages contained in the liver that remove microbes and worn out blood cells? |
|
Definition
|
|
Term
The liver metabolizes toxic ......... itno urea to be excreted by the kidneys |
|
Definition
|
|
Term
Explain how the liver kidneys and skin are involved in the synthesis of calcitriol. What is the target organ of calitriol and what is the effect of this hormone? |
|
Definition
Exposure of skin to UV rays of un forms Vit D3 which is acte upon by the liver and kidneys to form the active form of vit D target organ of calcitrol is the small intestines |
|
|
Term
What vitamins and minerals are stored by the liver? |
|
Definition
|
|
Term
What organ makes cholesterol? |
|
Definition
|
|
Term
What molecules are responsible for the transport of cholesterol inthe blood? |
|
Definition
|
|
Term
Which cholesterol is good? indicates that lots of cholesterol is being transported to the liver and to be disposed of in bile? |
|
Definition
|
|
Term
Which cholesterol is bad? this indicates that a lot of cholesterol is being transported to body cells. The chance is high that fatty substanes will be deposited on arterial walls leading to ..... |
|
Definition
|
|
Term
Your overall cholesterol level should be less than? |
|
Definition
|
|
Term
Your HDL level should be greater than? |
|
Definition
|
|
Term
In the liver cells glucosed is stored as.....? what hormone is involved in this process |
|
Definition
|
|
Term
What is the exocrine function of hte pancreas? |
|
Definition
Secretes carbohydrases, lipases, proteases and nucleases inot the intestinal lumen |
|
|
Term
What is the endocrine function of hte pancraeas? |
|
Definition
Secretes insulin and glucagon into the blood |
|
|
Term
What cells produce hormones in the pancreas? |
|
Definition
Islets of langerhans Alpha and beta cells |
|
|
Term
What cells produce digestiive enzymes in the pancreas? |
|
Definition
|
|
Term
True or False
The pancreatic and accessory pancreatic ducts deliver hormone and digestive enzymes to the small intestines |
|
Definition
False, only digestive enzymes |
|
|
Term
Which hormone decreases blood glucose levels? |
|
Definition
|
|
Term
Which hormone increases blood glucose levels? |
|
Definition
|
|
Term
Name the 7 regions of the large intestines |
|
Definition
Caecum, ascending, transverse, descending, sigmoid, rectum and anus |
|
|
Term
What is another name for the large intestines? |
|
Definition
|
|
Term
T or F Most of nutrient and water absorption occurs in the colon? |
|
Definition
Fase, water is absorbed but not nutrients |
|
|
Term
What produces the gas associated with the lower bowel? |
|
Definition
Bactrial actions on fiber |
|
|
Term
What is the appendix attached to? |
|
Definition
|
|
Term
What is the difference between intrinsic and extrinsic salivary glands? |
|
Definition
Instrinsic salivary glands are in the lining of the mouth, lips and cheeks, whereas Extrinsic glands are those of the parotids, sublingual and submandibular |
|
|
Term
Name 4 sphincters / valves associated with the g.i. tract? |
|
Definition
Esophageal, pyloric, ileocaecal and anal sphincteers |
|
|
Term
What is the toxic waste product formed from protein metabolism? |
|
Definition
|
|
Term
Urea is formed from what 2 things? |
|
Definition
|
|
Term
Where is urea formed? which organ excretes it? |
|
Definition
Urea is formed by the liver to be excreted by the kidneys |
|
|
Term
What is the waste product formed from nucleic metabolism? |
|
Definition
|
|
Term
Ureters transport urine from the kidneys to where? |
|
Definition
|
|
Term
What transports urine from the bladder to outside? |
|
Definition
|
|
Term
The medulla of the kidney is divided into what? |
|
Definition
|
|
Term
Each renal pyramid terminates into what? |
|
Definition
|
|
Term
Renal papilla project into a cup shaped tube called a ??? |
|
Definition
|
|
Term
The middle layer of the smooth muscle in the bladder is called the what muscle? |
|
Definition
|
|
Term
What is the detrusor muscle? |
|
Definition
The middle layer of smooth muscle in the bladder |
|
|
Term
What sphincter in the bladder is smooth muscle and involuntary control? |
|
Definition
Internal urethra sphincter |
|
|
Term
What sphincter in the bladder is skeletal muscle and is under voluntary control? |
|
Definition
External urethral sphincter |
|
|
Term
The kidneys, ureters and bladder are intraperitoneal or retroperitoneal? |
|
Definition
|
|
Term
The basic structural unit and functional unit of the kidney is the??? |
|
Definition
|
|
Term
Which nephron has a relatively short loop of henle and is surrounded by a peritubular capillary bed? |
|
Definition
|
|
Term
which nephron has a long loop of henle and is surrounded by a capillary network called vasa recta? |
|
Definition
|
|
Term
What is the capillary bed of the Cortical nephron called? |
|
Definition
|
|
Term
What are the 2 major structures within a nephron? |
|
Definition
Renal corpuscle and renal tubule |
|
|
Term
What are the two parts of the renal corpuscle? |
|
Definition
Glomerulus and Glomerular or Bowman's capsule |
|
|
Term
What do the fenestrations in the glomerulus prevent filtration of? |
|
Definition
|
|
Term
|
Definition
The glomerulus consists of a ball or knot of capillaries with pores and fenestrations that allow for filtration of blood without loss of protein or cells through the wall |
|
|
Term
Describe the Bowman's capsules |
|
Definition
Bowman's capsule looks like a claw hand with the extension of your arm being the proximal convuluted tubule. The capsule surrounds the glomerulus and the inner wall is of simple squamous epithelium |
|
|
Term
Name the parts of the renal tubules |
|
Definition
Begins after glomerulus as blood passes through efferent duct into the proximal convuluted tubule into the descending limp of loop of henle hairpin turn of the loop and then the ascending limp of loop of henle into the distal convoluted tubule and then into the collecting duct |
|
|
Term
What is the primary function of long loops of Henle? |
|
Definition
|
|
Term
A common...*BLANK*... collections urine from several nephrons. Renal pyramids are laregly composed of what ducts?....*BLANK*.... these empty urine into what cup shaped tubullse....*BLANK* |
|
Definition
A common...Collecting Duct... collections urine from several nephrons. Renal pyramids are laregly composed of what ducts?... Collecting duct.... these empty urine into what cup shaped tubullse....Renal calyx |
|
|
Term
What do the efferent arteriole branches flow into? |
|
Definition
Either the peritbular capillaries or the vasa recta depnding on the type of nephron |
|
|
Term
Name the 3 main processes of urine formation |
|
Definition
Filtration Secretion and Reabsorption |
|
|
Term
What part of the nephron acts as the filter? |
|
Definition
|
|
Term
Protein or blood cells in the urine indicate a problem with what part of the nephron? |
|
Definition
|
|
Term
What are the three main processes of urine formation? |
|
Definition
Filtration, Secretion and reabsorption |
|
|
Term
In what part of the tubule does reabsorption take place? |
|
Definition
Proximal convoluted tubule due to microvilli which would increase the reabsorptive surface area. Peritublar capillaries then transport the reabsorbed molecules back into the circulation |
|
|
Term
In what part of the tubule does most secretion take place? |
|
Definition
Distal convoluted tubule due to the decreased amount of microvilli |
|
|
Term
Would glucose concentration be higher in the proximal tubule or the distal tubule? |
|
Definition
proximal convoluted tubule |
|
|
Term
Would nitrogenous waste concentration be higher in the proximal tubule or the distal tubule? |
|
Definition
|
|
Term
What are five hormones that are amino acid or protein based? |
|
Definition
Adrenocorticotropic hormone, Follicle stimulating hormone, Luteinizing hormone, Thyroid Stimulating Hormone and Prolactin |
|
|
Term
How do amino acid or protein based hormones have an effect on the target cells? |
|
Definition
They act on receptor sites on the cell membranes |
|
|
Term
Give 5 examples of hormones that are cholesterol or steroid based? |
|
Definition
Estrogen, progesterone, testosterone, cortisol and aldosterone |
|
|
Term
How does this type of hormone have an effect on its target cell? |
|
Definition
Acts on receptor sites in the cells chromatin material (DNA) |
|
|
Term
What is the difference between endocrine and exocrine glands? |
|
Definition
Endocrine glands secrete their products (hormones) directly into the blood stream. Exocrine glands secrete their products into the lumen of a gland or organ |
|
|
Term
Name three glands that are both endocrine and exocrine |
|
Definition
Testes secrete testosterone and sperm
Ovaries secrete Estrogen, Progesterone and Ovum
the Pancreas secretes insulin, glucagon, and Pancreatic lipase and amylase |
|
|
Term
List 3 nontropic hormones produced by the anterior pituitary |
|
Definition
Growth Hormone which effects skeletal muscle and long bones
Prolactin which effects Breast mammary glands
Also the posterior pituitary secretes Oxytocin which effects the pregnant uterus |
|
|
Term
List 4 tropic hormones produced by the anterior pituitary gland give target and the response hormone |
|
Definition
Thyroid stimulating hormone effects thyroid and has thyroid produce thyroxine and teraiodothyronine
Adrenocorticotropic hormone targets the adrenal cortex to produce cortisol which can elevate blood glucose levels during lots of stress
Follicle stimulating hormone targets the ovaries to further on secrete estrogen
and letuinizing hormone targets the testes and ovaries to in turn secrete testosterone or progesterone |
|
|
Term
What is the loop for thyroid stimulating hormone? |
|
Definition
Effects the thyroid gland and induces thyroid gland to secrete triiodothyronine and thyorxine T3 and T4 |
|
|
Term
What does adrenocorticotropic hormone do? |
|
Definition
Effects adrenal cortex to release cortisol which elevates sympathetic responses |
|
|
Term
What does follicle stimulating hormone do? |
|
Definition
effects the ovaries and has the ovaries secrete estrogen |
|
|
Term
What does letuinizing hormone do? |
|
Definition
effects testes and ovaries to produce testosterone and progesterone |
|
|
Term
What gland produces melatonin? What is the function of melatonin? |
|
Definition
Pineal gland regulates the darkening of the melanocytes in the skin |
|
|
Term
What is the loop for Calcitonin? |
|
Definition
Calcitonin is produced in the Thyroid gland and targets the bones and kidneys to stimulate osteoblasts and inhibit osteoclasts which has a hypercalcemic effect in the blood. |
|
|
Term
What is the loop for parathyroid hormone? |
|
Definition
Parathyroid hormone acts antagonistically to calcitonin and also effects the bones, kidneys and even intestines to stimulate osteoclast activity. |
|
|
Term
Calcitriol. whats the loop? |
|
Definition
Produced by the kidneys to tell the intestins to absorb more calcium |
|
|
Term
What is the loop for estrogen pertaining to bone development? |
|
Definition
estrogen is produced by the bones to target osteoblasts and increases osteoblast production |
|
|
Term
What is the loop for insulin? |
|
Definition
Insulin is produced by the pancreas to increase uptake of glucose by cells in the body and increases glycogen synthesis in the liver |
|
|
Term
What is the loop for glucagon? |
|
Definition
glucagon is also secreted by the pancreas and stimulates the liver to breakdown glycogen into glucose. |
|
|
Term
What is the loop for Antidiuretic hormone or vasopressin? |
|
Definition
antidiuretic hormone is produced in the hypothalamus and targets the collecting duct and the distal convulted tubule of the kidneys, it increases reabsorptoin of water by kidneys, decreases sweating and thus inreases blood pressure by vasoconstriction
Thus decreasing urine volume and increasing BP |
|
|
Term
What is the loop for alosterone? |
|
Definition
Alosterone is produced by the Adrenal cortex and effects the kidneys which in turn increases the reabsorption of Na+ and increases secretion of K+ and thus helps retain water. |
|
|
Term
Name 3 adrenal cortex hormones and give a function for each? |
|
Definition
Glucocorticoids - anti-inflammatory
Alosterone - regulates vascular volume
Androgens - aids in sexual maturation |
|
|
Term
What kind of stimulating does the adrenal cortex receive? |
|
Definition
|
|
Term
What 2 hormones are stored by the posterior pituitary gland? |
|
Definition
Oxytocin and Anti-diuretic hormone |
|
|
Term
What gland produces oxytocin and ADH? |
|
Definition
Produced by hypothalamus specifically in the supra optic and paraventricular nuclie |
|
|
Term
What gland and hormone is an important source of estrogen for postmenopausal women? |
|
Definition
Adrenal gland and androgens |
|
|
Term
What is the function of T3 or tri-iodothyronine? |
|
Definition
Increases metabolic rate, stimulates breakdown of carbs, fats and proteins |
|
|
Term
What is the function of T4 or tetra-iodothyronine |
|
Definition
Increases metabolic rate, stimulates breakdown of carbs, fats and proteins |
|
|
Term
|
Definition
Lack of iodine leads to overproduction of thyroglobin |
|
|
Term
What gland and hormone control secretion of thyroid hormone by the thyroid gland? |
|
Definition
Pituitary gland via Thyroid stimulating hormone |
|
|
Term
Do goiters involve hyposecretion or hypersecretion of thyroid hormone |
|
Definition
Hyposecretion of T3/T4 but over production of thyroglobin by follicle cells |
|
|
Term
What part of the testes produce testosterone? |
|
Definition
Interstitial cells of Leydig |
|
|
Term
What part of the testes produce sperM? |
|
Definition
|
|
Term
What structure partly surrounds the testes and is the site of sperm maturation? |
|
Definition
|
|
Term
Name the ducts that carry sperm from the epididymis to the outside body |
|
Definition
Epididymis - vas deferens - ejaculatory duct - prostatic urethra - membranous urethra - penile urethra |
|
|
Term
What duct transports urine from the urinary bladder? |
|
Definition
|
|
Term
Where is the prostate gland situationed? How is it palpated? |
|
Definition
At the base of the bladder and surrounds the urethra. It is palpated by a rectal exam through the anus |
|
|
Term
Name the 3 glands that contribute seminal fluid |
|
Definition
Prostate, seminal vesicles and bulbourethral |
|
|
Term
Which gland produces most of the seminal fluid? |
|
Definition
|
|
Term
What is the function of fructose, prostaglandins and clotting factors in the seminal vesicles |
|
Definition
Fructose is a source of energy, prostaglandins produce uterine contractions of smooth muscle, and clotting factors promote clotting (coagulationg) of the semen in the vagina so it will be able to get up through the cervix |
|
|
Term
What are the functions of the secretions from the bulbourethral glands? |
|
Definition
Serves as pre-ejaculate to flush the urine out of the urethra and neutralize its acidity |
|
|
Term
name or describe the structure of the penis...what causes an erection? |
|
Definition
Glans is the bulbous tip; Corpra cavernosa is a paired dorsal cylinders that become engorged with blood during an erection. Corpra Spongiosum is an erective tissue that is surrounding the urethra, |
|
|
Term
What is the function of testosterone? |
|
Definition
Hormone responsible for maturation of male secondary sex characteristics and production of sperm for reproduction |
|
|
Term
Ova develop in sac like strcutures called...? |
|
Definition
|
|
Term
The fluid filled cavity of an ovarian follicle is called an ....? |
|
Definition
|
|
Term
Ovarian follicle cells produce what 2 hormones? |
|
Definition
estrogen and progesterone |
|
|
Term
What developes from an ovulated graafian follicle? |
|
Definition
|
|
Term
What causes the ruptured Graafian follcile to change into the corpus luteum? |
|
Definition
|
|
Term
The corpus leteum will continue to produce what 2 hormones? |
|
Definition
Estrogen and progesterone to prepare the endometrium for implantation by the zygote. |
|
|
Term
If pregnancy does not occur, the corpus letuem develops into a *BLANK* and degenerates. It will then stop producing estrogen and progesterone and the endometrium fo the uterus will slough off which is called.... |
|
Definition
corpus albicans and menstruation |
|
|
Term
What is the site of fertilization? |
|
Definition
Distal end of fallopian tubes |
|
|
Term
What is the function of the uterus? |
|
Definition
Implantation of the fertilized ova and maintain the embryo and fetus until partuition |
|
|
Term
What is the narrow end of the uterus that contains an opening that allows for the flow passage of sperm and birth |
|
Definition
|
|
Term
What are the 3 layers of the uterus? |
|
Definition
Endometrium, Myometrium and Epimetrium |
|
|
Term
What female gland is the analogue to the bulbourethral gland in males? What is the function? |
|
Definition
Vestibular or Bartholin glands, they aid in lubrication during intercourse |
|
|
Term
What female gland is the analogue to the male prostate gland? |
|
Definition
Paraurethral or Skene gland |
|
|
Term
What is the pathway of bile throughout the Gall Bladder |
|
Definition
Bile enters through the left and right hepatic ducts which empty into the common hepatic ducts to thec cystic duct and the gall bladder for storage
Bile leaves through the cystic duct and joints the pancreatic duct to form the hepatopancreatic ampulla and empty into the duodenum - This release is controlled by the hepatopancreatic sphincters of Oddi
Bile salts act as detergents in breaking down lipids in the small intestines |
|
|
Term
What are contained in the walls of the large intestines? |
|
Definition
Tenia Coli - longitduinal muscles that pull to form haustra |
|
|
Term
What is the Plicae Circularis? |
|
Definition
Deep permanenet folds of mucosa and submucosa of duodenum and jejunum which force chyme to spiral through intestinal lumen; slows movement and increases absorptive surface area |
|
|
Term
What is the pampiniform plexus? |
|
Definition
Changes blood temperature going into the testes to gain the righ ttemperature |
|
|
Term
What is the function of the Cremaster muscle? |
|
Definition
retracts testicles closer to the body |
|
|
Term
What is the function of the Dartos muscle? |
|
Definition
wrinkles and thickens skin of the scrotum |
|
|
Term
|
Definition
secreted by ovaries, stimulates the development of the female reproductive organs, follicle maturation, regulates menstrual cycle, stimulates growth of mammary glands |
|
|
Term
What does Progesterone do? |
|
Definition
produced by ovaries. REgulates menstrual cycle, stimulates growth of uterine lining, stimulates growth of mammary glands |
|
|
Term
What hormones are produced in the thymus? |
|
Definition
Thymosin and Thymopoetin and IGF-1 |
|
|
Term
What are the cells of the Juxtaglomerular apparatus? |
|
Definition
Macula Densa, Juxtaglomerular cells and Mesangial Cells |
|
|
Term
What do the Macular Densa do? |
|
Definition
Located in DCT they monitor flow and urine composition |
|
|
Term
What do Juxtaglomerular cells do? |
|
Definition
located in afferent and e fferent arterioles when stimulated they constrict to reduce flow through the glomerulus. Also secrete renin into the blood |
|
|