Term
| What are the 6 functions of the digestive system? |
|
Definition
1. Digestion
2. Absorption
3. Secretion
4. Excretion
5. Propulsion/peristalsis
6. Endocrine gland; makes hormones |
|
|
Term
| What does catabolic mean? |
|
Definition
| Breaks down. ex: AB -> A + B |
|
|
Term
| What are the 4 accessory structures in the digestive system? |
|
Definition
| Salivary glands, liver, pancreas and gallbladder |
|
|
Term
|
Definition
| Layer in contact w/ food. |
|
|
Term
| What is the muscularis mucosa? |
|
Definition
| A layer of smooth muscle seperating mucosa from submucosa |
|
|
Term
| What is the muscularis externa? |
|
Definition
|
|
Term
|
Definition
| A layer of loose connective tissue deep to the mucosa. |
|
|
Term
|
Definition
| Deepest layer of GI tract. Apart of the visceral portion of serous membrane. Composed of simple squamous epithelial and a thin layer of areolar CT. |
|
|
Term
| What 2 bones make up the hard palate? |
|
Definition
| Maxilla and palatine bone. |
|
|
Term
| What is different between soft and hard palate? |
|
Definition
| Soft palate is not made up of any bones. Hard palate is. |
|
|
Term
| What is the function of the uvula? |
|
Definition
| Keeps food from going up into the nasal cavity while swallowing. |
|
|
Term
| What is the inferior and superior labia? |
|
Definition
|
|
Term
| What are the names of the teeth in an adult? |
|
Definition
| Central incisor, lateral incisor, canine, 1st premolar, 2nd premolar, 1st molar, 2nd molar, 3rd molar (wisdom tooth). |
|
|
Term
| What are the 3 regions of the tooth? |
|
Definition
| Crown (most visible portion), neck (located at gumline/gingiva) and root (embedded in bone) |
|
|
Term
| What are the 3 salivary glands and locations? |
|
Definition
Parotid- anterior to ears
Sublingual- beneath the tongue
Submandibular- at the angle of the mandible |
|
|
Term
| What is the function of the salivary glands? |
|
Definition
|
|
Term
| What type of cells lines the oral cavity? |
|
Definition
| Stratified squamous epithelium. |
|
|
Term
| Name the flow of food through the body. |
|
Definition
| Oral cavity, oropharynx, laryngopharynx, epiglottis, esophagus, cardiac sphincter, stomach, pyloric sphincter, small intestine, ileocecal valve, lg. intestine, rectum, anus. |
|
|
Term
| What is the esophageal hiatus? |
|
Definition
| Where the esophagus goes through diaphragm to continue to the stomach |
|
|
Term
| Where are the gastric glands found? |
|
Definition
| Bottom of the gastric pits of the stomach. |
|
|
Term
| What are the parietal cells? |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| Produces enzymes lipase(breaks down lipids) and pepsin(breaks down protein) |
|
|
Term
|
Definition
| Produces hormone, gastrin. |
|
|
Term
| What is the function/purpose of rugae? |
|
Definition
| Allows stomach to expand and increases surface area for absorption and digestion. |
|
|
Term
| What are the areas of the small intestine? |
|
Definition
|
|
Term
| What lines the stomach and small intestine? |
|
Definition
| Simple columnar epithelium |
|
|
Term
| What is a distinctive characteristic of small intestine? |
|
Definition
| The villi located in the mucosa which increases surface area. |
|
|
Term
| What does each villi have? |
|
Definition
| A lacteal which absorbs lipids from the gut tube to the circulatory system |
|
|
Term
| What is the function of the small intestine? |
|
Definition
|
|
Term
| What is the function of the stomach? |
|
Definition
|
|
Term
| What are the regions of the large intestine? |
|
Definition
| Cecum, ascending colon, right colic flexure,transverse colon, left colic flexure, descending colon, sigmoid colon. |
|
|
Term
| What is the vermiform appendage? |
|
Definition
| A worm-like structure hanging from the large intestine. |
|
|
Term
|
Definition
| Pouches in the lg. intestine |
|
|
Term
| What is the taeniae coli? |
|
Definition
| Portion of the muscularis layer that is visible in lg. intestine. |
|
|
Term
| What is epiploic appendages? |
|
Definition
| Fatty droplets on taenia coli. |
|
|
Term
| What supplies blood to the rectum? |
|
Definition
|
|
Term
| What are the 2 muscles in the rectum/anus? |
|
Definition
|
|
