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ANAT 411 BC n, a, v
| Question | Answer |
|---|---|
| descending thoracic aorta (posterior intercostal arteries) and internal thoracic arteries (anterior intercostal arteries) | sources of arteries to thoracic wall |
| supply intercostal spaces, originate from aorta on posterior thoracic wall | posterior intercostal arteries |
| supply intercostal spaces, originate as lateral branches of internal thoracic arteries | anterior intercostal arteries |
| given off of a branch of subclavian a. and supplies 1st 2 intercostal spaces | supreme intercostal a. |
| starts posterior and runs all the way around thoracic wall, rami of spinal nerves T1-T11 and lie in the intercostal spaces | intercostal n. |
| n., inferior to rib 12, supplies thoracic wall | subcostal n. |
| intercostal v., a., and n. run inferior to the ____ rib | superior |
| collateral v., a., and n. run superior to ____ rib | inferior |
| a. and v. that supply each lung | pulmonary a. and v. |
| begins and ends at the level of the sternal angle, has three branches: ascending, arch, and descending | aortic arch |
| aorta, brachiocephalic trunk, common carotid, subclavian | ABCS of aortic arch |
| superior and inferior vena cavas and aortic arch | great vessels of mediastinum |
| right and left jugular veins, right and left subclavian veins, right and left brachiocephalic veins (formed posterior to sternoclavicular joints by union of internal jugular and subclavian veins), superior and inferior vena cavas, azygos v. | veins of superior mediastinum |
| phrenic n., vagus n., left recurrent laryngeal n., right recurrent laryngeal n. | nerves of superior mediastinum |
| which recurrent laryngeal n. wraps around the subclavian a. | right |
| n., passes through thorax to supply motor innervation to entire diaphragm, supplies sensation to pericardium and diaphragm, in middle mediastinum right and left pass anterior to hilums of lungs | phrenic n. |
| n., provides innervation to esophagus and heart in thorax, in middle mediastinum right and left pass posterior to the right and left hilums of lungs | vagus n. |
| n., recurs on right subclavian a. and ascends into the neck | right recurrent laryngeal n. |
| n., recurs on aortic arch and ascends into the neck | left recurrent laryngeal n. |
| pericardial sinus, found between veins | oblique pericardial sinus |
| pericardial sinus, space where arterial supply is anterior and venous supply is posterior | transverse pericardial sinus |
| aorta, left coronary artery, circumflex branch of left coronary artery, left marginal branch of circumflex artery, right coronary artery, right marginal branch of right coronary artery, left anterior descending artery, and posterior descending artery | arterial supply of external heart |
| circumflex branch, left marginal branch of circumflex, and left anterior descending | branches of left coronary a. |
| right marginal branch, posterior descending | branches of right coronary a. |
| great cardiac v., middle cardiac v., and coronary sinus; drain blood into right atrium | venous supply of external heart |
| sinoatrial (SA) node->atrioventricular (AV) node->AV bundle->L. and R. bundle branches->purkinje fibers (papillary muscles and closure of valves) | conducting sytsem |
| what does the conducting system supply | musculature for atrial and ventricular contraction |
| superior and inferior vena cavas, azygos v., thoracic sympathetic trunk/chain, "blue side" | right side of posterior mediastinum |
| v., found on the right side of body, travels up and over hilum of lung and drains into the SVC | azygos v. |
| found on right side of body, "beads on a string", allows traveling of fibers from ANS to move to different levels in order for the fibers to reach out to the periphery and innervate these structures | thoracic sympathetic trunk/chain |
| arch of aorta, descending thoracic aorta, left subclavian a., thoracic sympathetic trunk, "red side", begins at T4 | left side of posterior mediastinum |
| serves an an important anastomotic pathway capable of returning venous blood from lower part of body to heart if inferior vena cava is blocked, drains into SVC | azygos system |
| right side contains azygos v., left side contains hemi-azygos v. and accessory hemi-azygos v. (both drain into azygos v.) | make up of azygos system |
| azygos v.; accessory hemi-azygos v.; thoracic duct; hemi-azygos v.; posterior intercostal veins; intercostal n., a., and v. | neurovasculature of posterior mediastinum |
| branch off of the thoracic aorta and supply blood to the esophagus | esophageal arteries |
| the right and left vagus nerves reach the esophagus and spread out over the structure forming what | esophageal plexus |
| visceral is (involuntary/voluntary) | involuntary |
| somatic is (involuntary/voluntary) | voluntary |
| somatic (body and body walls) and visceral (organs) | PNS divisions |
| sympathetic (fight or flight) and parasympathetic (rest and digest) | ANS divisions |
| associated ganglia form 2 parallel cords that make up a major portion of ANS | thoracic sympathetic trunks |
| (sympathetic/parasympathetic) can increase heart rate, widen bronchial passages, decreases motility in large intestine, and constrict blood vessels | sympathetic |
| (sympathetic/parasympathetic) can be activated by large meals, decreases heart rate, constricts bronchial passages, increases motility in large intestine, and widens blood vessels | parasympathetic |
| direct continuation of internal thoracic a. and anastomoses with the inferior epigastric a. (branch of external iliac a.) | superior epigastric a. |
| which three things travel through the diaphragm | IVC, esophagus, and aorta |
| bile duct, hepatic a. proper, hepatic portal v.; structures pass through hepatoduodenal ligament | portal triad |
| travels back to liver, plays a role in metabolism, carries deoxygenated blood, carries nutrients | portal v. |
| carries oxygenated blood away from the liver and towards the intestines | hepatic a. |
| where the portal triad communicates with the liver | porta hepatis |
| how is the gut split into regions | by what supplies it |
| celiac trunk, superior mesenteric a., and inferior mesenteric a. | unpaired trunks of abdominal aorta |
| branches from the abdominal aorta at vertebral level T12; supplies arterial blood to foregut; primary branches: left gastric a., common hepatic a., splenic a., and hepatic a. proper | celiac trunk |
| branch of celiac trunk, descends across lesser curvature of stomach in lesser omentum where it will anastomose with right gastric a. | left gastric a. |
| branch of celiac trunk, runs towards portal triad | common hepatic a. |
| branch of celiac trunk, 2 branches: right and left hepatic arteries | hepatic a. proper |
| bile duct, hepatic a. proper, hepatic portal v., lymphatics, n. fibers | structures passing through hepatoduodenal ligament |
| branch of celiac trunk, anastomoses with pancreatic branches, ends up on hilum of spleen | splenic a. |
| supplies the midgut; branches: middle colic a., right colic a., ileocolic a., appendicular a., and intestinal a. | superior mesenteric a. |
| branch of SMA, follows transverse/top colon | middle colic a. |
| branch of SMA, ascending colon/right side | right colic a. |
| branch of SMA, where ileum meets cecum | ileocolic a. |
| branch of SMA, supplies appendix | appendicular a. |
| branch of SMA, supplies small intestine | intestinal a. |
| branch of SMA, along both sides of colon's edge | marginal a. of Drummond |
| supplies the hindgut; branches: left colic a., sigmoidal arteries, and superior rectal a. | inferior mesenteric a. |
| venous drainage of abdomen, consists of portal v. and its tributaries, portal triad, all of the nutrients travel to the portal v. and liver, deoxygenated blood | portal system |
| venous drainage of abdomen, systemic circulation that includes IVC and its tributaries, deoxygenated blood | caval system |
| a. and v. that supply kidneys, a. branches off of abdominal aorta | renal a. and v. |
| ~13 cm in length in lean adults and kids, can be felt due to position near abdominal wall | abdominal aorta |
| enters abdomen through the diaphragm and bifurcates into common iliac veins, receives deoxygenated blood after traveling through liver, right gonadal v. drains into this | inferior vena cava |
| where does the left gonadal v. drain into | left renal v. |
| which renal v. is longer than the other and travels over the abdominal aorta and travels posterior to SMA | left renal v. |
| what passes anterior to bifurcation of common iliac arteries and posterior to gonadal a. and v. ("water" under the "bridge") | ureters |
| have superior, middle, and inferior arteries but are prone to variation; venous drainage occurs via large suprarenal veins | supply of suprarenal glands |
| can also drain into renal or inferior phrenic veins due to variability | left suprarenal v. |
| can also be found crossing over pelvic brim and entering the canal as a branch from the external iliac a. | aberrant obturator a. |
| branches into external and internal iliac arteries | common iliac a. |
| branches at pelvic brim anterior to sacroiliac joint, has an anterior and posterior division that are variable in their branching | internal iliac a. |
| follow the course of all branches of internal iliac a. except for umbilical a. and iliolumbar a. | pelvic veins |
| sacral and coccygeal plexuses are (voluntary/involuntary) and located in pelvis | voluntary |
| main n. of perineum, one on each side, carries sensory fibers from skin around anus and perineum and external genitalia, provides motor supply to pelvic muscles including external urethral sphincter and external anal sphincter | pudendal n. |
| branches of what n. innervate the male perineum | pudendal n. |
| arterial supply of penis is mainly supplied by branches of what a. | pudendal arteries |
| venous supply of penis eventually drains into superficial external ____ v. and goes to inguinal canal | pudendal v. |
| dorsal n. of penis is | pudendal n. |
| which ligament are the gonadal a. and v. in women found | suspensory ligament of ovary |
| which brachiocephalic v. is 2x are long because it passes from one side to the other | left |
Created by:
emma.scarmon-coyotes
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