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Anatomy Test 2
Anatomy Test 2
185
Anatomy
Undergraduate 3
10/05/2013

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Term
Body of the Vertebrae
Definition
Large Rounded part of the vertebrae
Term
Superior Articular Process
Definition
Superior articular surface which articulates with the inferior articular surfaces of the vertebrae above it.
Term
Inferior Articular Process
Definition
Inferior articular surface which articulates with the superior articular surface of the vertebrae below it.
Term
Lamina
Definition
Flat surfaces that create the posterior aspect of the neural arch.
Term
Pedicle
Definition
Feet of the neural arch, connect the lamina and the body of the vertebrae
Term
Spinous Process
Definition
Posterior facing spine on the neural arch of the vertebrae
Term
Transverse Process
Definition
Leteral facing pointed spines on the neural arch of the vertebrae
Term
Intervertebral Foramen
Definition
Hole through which spinal nerves pass between vertebrae, composed of the superior and inferior vertebral notches
Term
Vertebral Canal
Definition
Made up of a series of vertebral foramen
Term
Vertebral Foramen
Definition
Hole created by the body of the neural arch and the body of the vertebrae
Term
Intervertebral Discs
Definition
Discs between the body of the vertebrae
Term
Transverse Foramena
Definition
Unique structure to cervical vertebrae, small holes that run alongside the vertebral foramen
Term
Bifid Spinous Process
Definition
Unique structure to cervical vertebrae, double point on the spinous processes
Term
Costal Facets
Definition
Unique structure to the thoracic vertebrae, articular surface on the lateral sides for the ribs
Term
Spine Like spinous process
Definition
Unique structure to the thoracic vertebrae, very pointed spinous process
Term
Unique Structures of the Lumbar Vertebrae
Definition
Massive vertebral bodies, Mammilary process on inferior articular process, short, rounded spinous processes
Term
Atlas
Definition
C1 vertebrae, circular and lacking most of a vertebral body
Term
Axis
Definition
C2 vertebrae, acts as the body of the Atlas, Dens projects up through the Atlas
Term
Head of the Rib
Definition
Enlarged end of the rib, first articular surface which articulates with the costal facets
Term
Neck of the Rib
Definition
Skinny length of rib between the two articular
Term
Tubercle of the Rib
Definition
Enlarged section of rib between the Neck and Angle, contains one of the articular surfaces of the rib
Term
Angle of the Rib
Definition
Angled length of rib
Term
Costal Groove
Definition
Groove along the inferior aspect of the rib, houses the costal vessles and nerves
Term
Manubrium
Definition
Most superior portion of the sternum flares out
Term
Jugular Notch
Definition
Most superior notch in the manubrium
Term
Clavicular notch
Definition
Lateral articular surfaces on the Manubrium, articulates with the clavicles
Term
Sternal Angle
Definition
Junction between the Manubrium and the Body of the sternum
Term
Costal Notches
Definition
Articular surfaces on the body of the sternum that articulate with the ribs
Term
Xiphoid Process
Definition
Pointed structure on the most inferior end of the sternum
Term
Splenius Muscle
Definition
Most superior of the back muscles, very superficial, originates on back and works up the neck
Term
Erector Spinae
Definition
Lower back muscle, made up of the Iliocostalis muscle, longissimus muscle, and the spinalis muscle
Term
Iliocostalis muscle
Definition
Most lateral of the three muscles that make up the erector spinae
Term
Longissimus muscle
Definition
The middle muscle of the three muscles that make up the erector spinae
Term
Spinalis Muscle
Definition
The most medial muscle that makes up the erector spinae
Term
Transversopspinalis
Definition
Series of muscles which travel from transverse process to spinous process of neighboring vertebrae, deep
Term
Ligamenta Flava
Definition
Ligament which connects the laminae of adjacent vertebrae
Term
Dura Mater
Definition
Thick outermost membrane of the meninges
Term
Arachnoid Mater
Definition
Intermediate layer of the meninges, forms the subarachnoid space with the pia mater
Term
Subarachnoid Space
Definition
Space between the arachnoid mater and the pia mater
Term
Pia Mater
Definition
Deepest layer of the meninges, very intimate with the spianl cord
Term
Filum Terminale
Definition
Connective tissue running from the conus medularis to the coccyx
Term
Denticulate Ligament
Definition
Ligaments of the pia mater, attach to the arachnoid and dura. Look like teeth
Term
Conus Medularis
Definition
Most inferior end of the spinal cord, cone shaped
Term
Cauda Equina
Definition
Length of spinal nerves in the lower vertebral column than run downward from the spinal cord, resembles a horse tail
Term
Lumbar Cistern
Definition
Increased space between the pia and arachnoid mater below the conus medularis
Term
Dorsal and Ventral Rootlets
Definition
Rootlets branch off of the spinal cord to form dorsal and ventral roots
Term
Dorsal Root Ganglia
Definition
Enlarged nodule on the dorsal root, contains cell bodies
Term
External Intercostal Muscles
Definition
Muscles between the ribs, face same way as pants pockets
Term
Internal Intercostal Muscles
Definition
Seen more medial than their external counterparts, between ribs, run opposite direction of pants pockets
Term
Intercostal Artery, Nerve, and Vein
Definition
Vessels run with each rib on the inferior and deep aspect
Term
Transversus Thoracis Muscle
Definition
Lies deep to the rib cage, runs from the sternum to the ribs
Term
Internal Thoracic Artery and Vein
Definition
Run parallel to the sternum inside the rib cage
Term
Anterior Intercostal Artery
Definition
Run off of the Internal Thoracic Artery between the ribs on the anterior side of the rib cage
Term
Parietal Pleura
Definition
Shiny connective tissue on the wall of the thoracic cavity, continuous with the visceral pleura
Term
Visceral Pleura
Definition
Connective tissue of the thoracic cavity, adheres to the lungs, continuous with the parietal pleura
Term
Right Lung
Definition
Has 3 lobes
Term
Left Lung
Definition
Has 2 lobes
Term
Primary Bronchus
Definition
Identified by its cartilaginous rings, lies between the pulmonary artery and veins
Term
Respiratory Diaphragm
Definition
Muscle which forms the inferior aspect of the thoracic cavity
Term
Central Tendon of the Respiratory Diaphragm
Definition
Large tendonous region in the center of the diaphragm
Term
Phrenic Nerves
Definition
Nerve travels downward from the neck to the diaphragm, lateral edge of mediasinum
Term
Azygous Vein
Definition
empties blood from the thoracic wall into the superior vena cava, right side of the posterior mediastinum
Term
Superior Vena Cava
Definition
Large venous structure that runs downward along the spine to empty into the right atrium
Term
Descending (Thoracic) Aorta
Definition
Carries blood downward from the left ventricle
Term
Posterior Intercostal Artery
Definition
Arises from the descending aorta, supplies blood to the posterior aspect of the thoracic cavity
Term
Sympathetic Trunk
Definition
Bundle of nerve fibers which run inferiorly through the thoracic trunk, characterized by sympathetic ganglia along its length
Term
Sympathetic Ganglia
Definition
Bulges along the length of the sympathetic trunk
Term
Greater Splanchnic Nerve
Definition
Nerve arises from the Sympathetic trunk at the 6th rib, runs inferiorly into the abdomen
Term
Trachea
Definition
On the right side and just posterior to the superior vena cava
Term
Vagus Nerve
Definition
On the lateral side of the trachea
Term
Esophagus
Definition
Travels from the pharynx to the stomach, posterior and to the right of the trachea
Term
Right Ventricle
Definition
Large chamber on the right side of the heart
Term
Right Atrium
Definition
Small chamber on the right side of the heart, superior to the ventricle
Term
Left Ventricle
Definition
Large chamber on the left side of the heart, inferior chamber
Term
Superior Vena Cava
Definition
Large vessel which empties into the right atrium
Term
Brachiocephalic Veins
Definition
Merge together to form the superior vena cava
Term
Internal Jugular Vein
Definition
Venous return from the head, meets with the subclavian vein to form the brachiocephalic veins
Term
Subclavian Vein
Definition
Venous return of the upper limb, meets with the internal jugular to form the brachiocephalic vein
Term
Ascending Aorta
Definition
Length of aorta between the heart and the aortic arch
Term
Aortic Arch
Definition
Lateral running length of aorta which contains the right brachiocephalic trunk, left common carotid artery, and left subclavian artery
Term
Brachiocephalic Trunk
Definition
Branch off of the aortic arch, splits into the right common carotid artery and the right subclavian artery
Term
Pulmonary Trunk
Definition
Leaves heart from right ventricle and branches into pulmonary arteries
Term
Pulmonary Arteries
Definition
Branches off of the pulmonary trunk and travel to the lungs
Term
Ligamentum Arteriosum
Definition
Adult remnant of the ductus arteriosus, travels from the pulmonary trunk to the aortic arch
Term
Right Auricle
Definition
Round muscle on the surface of the atrium
Term
Left Auricle
Definition
Small pouch adjacent to the left atrium
Term
Right Coronary Artery
Definition
Arises from the ascending aorta and travels to the right
Term
Marginal Branch
Definition
Originates from the right coronary artery, travels downward toward the apex of the heart
Term
Posterior Interventricular Branch
Definition
Originates from the marginal branch of the right coronary artery, travels through the posterior interventricular groove
Term
Left Coronary Artery
Definition
Originates from the ascending aorta and travels towards the left side of the heart
Term
Anterior Interventricular Branch
Definition
Originates from the left coronary artery, travels through the anterior interventricular groove
Term
Circumflex Branch
Definition
Originates from the left coronary artery, travels through the atrioventricular groove around the back of the heart
Term
Coronary Sinus
Definition
Lies in the posterior atrioventricular groove and empties into the right atrium
Term
Great Cardiac Vein
Definition
Begins near the anterior apex of the heart, ascends and meets the coronary sinus
Term
Middle Cardiac Vein
Definition
Runs with the posterior interventricular artery, ascending in the posterior interventricular groove, empties into the coronary sinus
Term
Fossa Ovalis
Definition
Adult remnants of the fossa ovalis
Term
Right Atrioventricular Valve
Definition
Valve between the right atrium and right ventricle
Term
Papillary Muscles
Definition
Muscles within the the ventricles, attach to the atrioventricular valves via the chordae tendineae, keep the valve from inverting
Term
Pulmonary Valve
Definition
Valve leading from the right ventricle to the pulmonary trunk
Term
Pulmonary Arteries
Definition
Left and Right branches off of the pulmonary trunk
Term
Pulmonary Veins
Definition
4 vessels empty into the left atrium
Term
Left Atrioventricular Valve
Definition
Passage between the left atrium and the left ventricle
Term
Aortic Valve
Definition
Valve that leads from the left ventricle to the aorta
Term
Aortic Sinuses
Definition
Areas behind the flaps of the aortic vlave which catch blood and let it flow to the coronary vessels
Term
Openings for the Coronary Arteries
Definition
Two openings located within the aortic sinuses
Term
External Abdominal Oblique Muscle
Definition
Outermost and most lateral abdominal muscle, travels same direction as pockets
Term
Internal Abdominal Oblique Muscle
Definition
Just below the external abdominal oblique, run opposite direction of pockets
Term
Transverus Abdominis
Definition
Deep to the internal abdominal oblique, runs laterally
Term
Transversalis Fascia
Definition
Deepest layer of the abdominal wall, connective tissue beneath the transversalis abdominis
Term
Rectus Abdominis
Definition
Six Pack muscles
Term
Tendinous Intersections
Definition
Tendonous meetings between muscle bellies of the rectus abdominis
Term
Superficial Inguinal Ring
Definition
Superficial end of the passage through which the spermatic cord passes
Term
Linea Alba
Definition
Midline between the rectus abdominis muscles
Term
Parietal Peritoneum
Definition
Outermost layer of connective tissue in the abdomen
Term
Liver
Definition
large glandular organ in the upper right section of the abdomen
Term
Gall Bladder
Definition
Small gland below the liver, green in color
Term
Greater Omentum
Definition
Fatty apron that lies over the intestines
Term
Stomach
Definition
Sack at the end of the esophagus
Term
Esophagus
Definition
Tube that leads from the pharynx to the stomach
Term
Pyloric Sphincter
Definition
Muscular opening between the stomach and the duodenum
Term
Spleen
Definition
Posterior to the stomach, inferior to the diaphragm
Term
Duodenum
Definition
First section of the small intestine
Term
Pancreas
Definition
Glandular organ that lies in the arms of the duodenum
Term
Jejunum
Definition
Middle section of the small intestine
Term
Ileum
Definition
Distal end of the small intestine
Term
Cecum
Definition
Bag like structure at the beginning of the large intestine
Term
Ileocecal Junction
Definition
Junction between the Ileum and the cecum
Term
Vermiform appendix
Definition
Worm-like projection off of the cecum
Term
Ascending Colon
Definition
Section of colon traveling superiorly on the right side of the abdomen
Term
Transverse Colon
Definition
Laterally traveling section of colon, most superior
Term
Descending colon
Definition
Inferiorly traveling section of the colon on the left side of the abdomen
Term
Sigmoid Colon
Definition
Diagonally traveling section of colon, very inferior
Term
Rectum
Definition
Once the sigmoid colon turns and runs inferiorly again
Term
Kidneys
Definition
Lie directly against the posterior abdominal wall
Term
Adrenal Glands
Definition
Directly superior to the kidney
Term
Renal Vein
Definition
Lies directly on top of the renal artery, empty into the inferior vena cava near the origin of the superior mesenteric artery
Term
Renal Artery
Definition
Lies directly behind the renal vein
Term
Ureter
Definition
Travels from the kidney to the bladder
Term
Lesser Omentum
Definition
Attaches the liver and the lesser curvature of the stomach
Term
Bile Duct
Definition
Formed by the cystic duct and the hepatic duct
Term
Cystic Duct
Definition
Connects the gall bladder to the bile duct
Term
Common Hepatic Duct
Definition
Meets with the cystic duct to form the bile duct
Term
Proper Hepatic Artery
Definition
Runs along the common hepatic duct, branches off from the common hepatic artery
Term
Common Hepatic Artery
Definition
Travels toward the liver from the celiac trunk
Term
Celiac Trunk
Definition
Most superior branch off of the aorta, branches into the spenic artery, the left gastric artery, and the common hepatic artery
Term
Splenic artery
Definition
Spiral artery off of the celiac trunk
Term
Left Gastric Artery
Definition
Straight artery off of the celiac trunk that runs to the left side of the body
Term
Superior Mesenteric Artery
Definition
Directly inferior to the celiac trunk
Term
Gonadal Arteries
Definition
Small structures, inferior to the superior mesenteric artery
Term
Gonadal Veins
Definition
Larger than the gonadal areteries, empty into the renal veins
Term
Inferior Mesenteric Artery
Definition
Just superior to the branch of the common illiac arteries
Term
Quadratus Lumborum Muscle
Definition
Lateral to the psoas
Term
Lumbar Arteries
Definition
Leave the abdominal aorta laterally, superior to the illiac branches but inferior to the renal arteries
Term
Ureters
Definition
Run from the kidneys to the urinary bladder
Term
Urinary Bladder
Definition
very anterior and inferior in the abdominopelvic region
Term
Body of the Uterus
Definition
Main large structure of the uterus
Term
Uterine Tubes
Definition
Come off behind the broad ligament of the uterus, end in the fimbria of the uterus
Term
Fimbria of the Uterus
Definition
Flower-like structures on the end of the uterine tubes
Term
Ovaries
Definition
Suspended by the broad ligament of the uterus, lie under the fimbria of the uterus
Term
Broad Ligament of the Uterus
Definition
Large ligament that lies over the anterior portion of the uterus
Term
Round Ligament of the Uterus
Definition
Attaches to the deep inguinal ring and to the uterus, most superior side of the broad ligament of the uterus
Term
Labia Majora (Labium Majus)
Definition
Outer lips of the vagina
Term
Labia Minora (Labium Minus)
Definition
Small, inner lips of the vagina
Term
Clitoris
Definition
Small projection near the anterior junction of the labia minora, above the urethra
Term
External Opening of the Urethra (Female)
Definition
Withing the junction of the labia minora, behind the clitoris but in front of the vaginal orifice
Term
Vaginal Orifice
Definition
Opening into the vagina, located between the labia minora, behind the opening of the urethra
Term
Urethra
Definition
Tube through which urine is ejected from the body as well as ejaculate
Term
Vagina
Definition
Tube between the vaginal orifice and the uterus
Term
Vaginal Fornices
Definition
Deepest part of the vagina, cone like structure where the uterus and the vagina meet
Term
Uterus
Definition
Pouch at the end of the vagina
Term
Body of the Uterus
Definition
Main central structure of the uterus
Term
Cervix of the Uterus
Definition
Thin, neck-like projection of the uterus, which meets with the vagina
Term
Ductus Deferens
Definition
Duct leading from the testicles to the prostate
Term
Seminal Vesicles
Definition
Glands along the Ductus Deferens posteriro and inferior to the prostate
Term
Testes
Definition
The Balls
Term
Scrotum
Definition
The Sack
Term
Head of the Epididymis
Definition
Portion of the epididymis most superior and enlarged
Term
Pampiniform Plexus
Definition
Group of veins running to the teste after the inguinal canal
Term
Testicular Artery
Definition
Artery running to the testicle
Term
Penis
Definition
male sex organ
Term
Corpora Cavernosa (Corpus Cavernosum)
Definition
Superior spngey tissue in the penis
Term
Corpus Spongiosum
Definition
Inferior spongey tissue of the penis
Term
Glans Penis
Definition
Head of the penis
Term
Prostate Gland
Definition
Gland at the inferior portion of the urinary bladder
Term
Ejaculatory Ducts
Definition
Duct that runs through the prostate, connects the ductus deferens and the urethra
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