OSU anatomy: Vessels and Nerves of the Abdomen and Pelvis AND muscles

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Last updated 4:42 AM on 4/22/26
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52 Terms

1
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<p>what is this</p>

what is this

  • inferior phrenic artery

    • supplies the inferior diaphragm

<ul><li><p>inferior phrenic artery</p><ul><li><p>supplies the inferior diaphragm </p></li></ul></li></ul><p></p>
2
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<p>what is this</p>

what is this

  • lumbar artery

    • supplies the posterior abdominal wall

<ul><li><p>lumbar artery</p><ul><li><p>supplies the posterior abdominal wall</p></li></ul></li></ul><p></p>
3
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<p>what is this</p>

what is this

  • median sacral artery

    • supplies a portion of the pelvic wall

<ul><li><p>median sacral artery</p><ul><li><p>supplies a portion of the pelvic wall</p></li></ul></li></ul><p></p>
4
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<p>what is this</p>

what is this

  • musculophrenic artery

    • branch of internal thoracic artery

      • supplies superior/anterior diaphragm

<ul><li><p>musculophrenic artery</p><ul><li><p>branch of internal thoracic artery</p><ul><li><p>supplies superior/anterior diaphragm</p></li></ul></li></ul></li></ul><p></p>
5
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<p>what is this</p>

what is this

  • superior epigastric artery

    • branch of internal thoracic artery

    • supplies superior half of anterior abdominal wall

<ul><li><p>superior epigastric artery</p><ul><li><p>branch of internal thoracic artery</p></li><li><p>supplies superior half of anterior abdominal wall</p></li></ul></li></ul><p></p>
6
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<p>what is this</p>

what is this

  • inferior epigastric artery

    • branch of external iliac artery

    • supplies inferior half of anterior abdominal wall

<ul><li><p>inferior epigastric artery</p><ul><li><p>branch of external iliac artery</p></li><li><p>supplies inferior half of anterior abdominal wall</p></li></ul></li></ul><p></p>
7
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where are the superior and inferior epigastric arteries found?

  • located posterior to the rectus abdominaus muscles

    • they anastomose with one another

<ul><li><p>located posterior to the rectus abdominaus muscles</p><ul><li><p>they anastomose with one another</p></li></ul></li></ul><p></p>
8
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the foregut is supplied by the…

  • celiac trunk

    • first unpaired branch

<ul><li><p>celiac trunk</p><ul><li><p>first unpaired branch</p></li></ul></li></ul><p></p>
9
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the midgut is supplied by the …

superior mesenteric artery

<p>superior mesenteric artery</p>
10
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the hindgut is supplied by the…

inferior mesenteric artery

<p>inferior mesenteric artery</p>
11
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<p>what are the 3 branches of the celiac trunk</p>

what are the 3 branches of the celiac trunk

  • left gastric artery

    • more superior

  • splenic artery

  • common hepatic artery

<ul><li><p>left gastric artery</p><ul><li><p>more superior</p></li></ul></li><li><p>splenic artery</p></li><li><p>common hepatic artery</p></li></ul><p></p>
12
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<p>what is this</p>

what is this

  • left gastric artery

    • more superior

    • well go to the lesser curvature of the stomach

<ul><li><p>left gastric artery</p><ul><li><p>more superior</p></li><li><p>well go to the lesser curvature of the stomach</p></li></ul></li></ul><p></p>
13
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<p>what is this</p>

what is this

  • splenic artery

    • curvy

    • behind the stomach

    • supplies spleen and pancreas

<ul><li><p>splenic artery</p><ul><li><p>curvy</p></li><li><p>behind the stomach</p></li><li><p>supplies spleen and pancreas</p></li></ul></li></ul><p></p>
14
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<p>what is this</p>

what is this

  • common hepatic artery

<ul><li><p>common hepatic artery</p></li></ul><p></p>
15
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<p>what are the two branches of the common hepatic artery</p>

what are the two branches of the common hepatic artery

  • proper hepatic artery

  • gastroduodenal artery

<ul><li><p>proper hepatic artery</p></li><li><p>gastroduodenal artery</p></li></ul><p></p>
16
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<p>describe the proper hepatic artery</p>

describe the proper hepatic artery

  • branch of the common hepatic artery

    • branches into

      • right hepatic artery

      • left hepatic artery

<ul><li><p>branch of the common hepatic artery</p><ul><li><p>branches into</p><ul><li><p>right hepatic artery</p></li><li><p>left hepatic artery</p></li></ul></li></ul></li></ul><p></p>
17
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<p>what is this</p>

what is this

  • cystic artery

  • usually branches from right hepatic artery

    • supplies blood to gallbladder and cystic duct

<ul><li><p>cystic artery</p></li><li><p>usually branches from right hepatic artery</p><ul><li><p>supplies blood to gallbladder and cystic duct</p></li></ul></li></ul><p></p>
18
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<p>what is this</p>

what is this

  • right gastric artery

    • usually branches from proper hepatic artery

    • anastomoses with left gastric artery

<ul><li><p>right gastric artery</p><ul><li><p>usually branches from proper hepatic artery</p></li><li><p>anastomoses with left gastric artery</p></li></ul></li></ul><p></p>
19
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<p>what is this</p>

what is this

  • gastroduodenal artery

    • supplies blood to distal stomach and some of the duodenum

<ul><li><p>gastroduodenal artery</p><ul><li><p>supplies blood to distal stomach and some of the duodenum </p></li></ul></li></ul><p></p>
20
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<p>what is this</p>

what is this

superior mesenteric artery

  • supplies blood to all of small intestine, appendix, cecum, ascending colon, and proximal 2/3rd of transverse colon

    • branches are

      • intestinal branches

      • ileocolic artery

      • right colic artery

      • middle colic artery

<p>superior mesenteric artery</p><ul><li><p>supplies blood to all of small intestine, appendix, cecum, ascending colon, and proximal 2/3rd of transverse colon</p><ul><li><p>branches are</p><ul><li><p>intestinal branches</p></li><li><p>ileocolic artery</p></li><li><p>right colic artery</p></li><li><p>middle colic artery</p></li></ul></li></ul></li></ul><p></p>
21
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<p>what is blue</p>

what is blue

  • intestinal branches of superior mesenteric artery

<ul><li><p>intestinal branches of superior mesenteric artery</p></li></ul><p></p>
22
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<p>what is this</p>

what is this

  • ileocolic artery

    • branch of superior mesenteric artery

      • supplies blood to…

        • cecum

<ul><li><p>ileocolic artery</p><ul><li><p>branch of superior mesenteric artery</p><ul><li><p>supplies blood to…</p><ul><li><p>cecum</p></li></ul></li></ul></li></ul></li></ul><p></p>
23
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<p>what is this</p>

what is this

  • right colic artery

    • branch of superior mesenteric artery

      • supplies blood to ascending colon

<ul><li><p>right colic artery</p><ul><li><p>branch of superior mesenteric artery</p><ul><li><p>supplies blood to ascending colon</p></li></ul></li></ul></li></ul><p></p>
24
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<p>what is this</p>

what is this

  • middle colic artery

    • branch of superior mesenteric artery

      • supplies blood to proximal 2/3rds of the transverse colon

<ul><li><p>middle colic artery</p><ul><li><p>branch of superior mesenteric artery</p><ul><li><p>supplies blood to proximal 2/3rds of the transverse colon</p></li></ul></li></ul></li></ul><p></p>
25
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<p>what is this</p>

what is this

  • inferior mesenteric

    • supplies blood to hindgut (1/3rd of transverse colon, descending colon, sigmoid colon, and superior rectum)

      • branches into

        • left colic artery

        • sigmoidal artery

        • superior rectal artery

<ul><li><p>inferior mesenteric</p><ul><li><p>supplies blood to hindgut (1/3rd of transverse colon, descending colon, sigmoid colon, and superior rectum)</p><ul><li><p>branches into</p><ul><li><p>left colic artery</p></li><li><p>sigmoidal artery</p></li><li><p>superior rectal artery</p></li></ul></li></ul></li></ul></li></ul><p></p>
26
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<p>what is this</p>

what is this

  • left colic artery

    • supplies blood to

      • descending colon

<ul><li><p>left colic artery</p><ul><li><p>supplies blood to</p><ul><li><p>descending colon</p></li></ul></li></ul></li></ul><p></p>
27
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<p>what is this</p>

what is this

  • superior rectal artery

    • supplies blood to superior aspect of rectum

<ul><li><p>superior rectal artery</p><ul><li><p>supplies blood to superior aspect of rectum</p></li></ul></li></ul><p></p>
28
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<p>what is this</p>

what is this

  • sigmoid arteries

    • supplies blood to the sigmoid

<ul><li><p>sigmoid arteries</p><ul><li><p>supplies blood to the sigmoid</p></li></ul></li></ul><p></p>
29
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<p>what is this</p>

what is this

  • suprarenal artery

    • branch off of abdominal aorta

      • supplies adrenal galnds

<ul><li><p>suprarenal artery</p><ul><li><p>branch off of abdominal aorta</p><ul><li><p>supplies adrenal galnds</p></li></ul></li></ul></li></ul><p></p>
30
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<p>what is this</p>

what is this

  • renal artery

    • branch off of abdominal aorta

      • supplies the kidneys

<ul><li><p>renal artery</p><ul><li><p>branch off of abdominal aorta</p><ul><li><p>supplies the kidneys</p></li></ul></li></ul></li></ul><p></p>
31
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<p>what is this</p>

what is this

  • gonadal arteries

    • branch off of abdominal aorta

      • supplies the gonads

<ul><li><p>gonadal arteries</p><ul><li><p>branch off of abdominal aorta</p><ul><li><p>supplies the gonads</p></li></ul></li></ul></li></ul><p></p>
32
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what is the sympathetic innervation to the visceral abdomen

  • splanchnic nerves

    • carrying presynaptic sympathetic fibers

    • will synapse with the postsynaptic sympathetic fibers in the celiac, superior and inferior mesenteric ganglia

33
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what is the parasympathetic innervation to the visceral abdomen

  • vagus nerve

    • presynaptic parasympathetic to foregut and midgut region

    • synapse to post-parasympathetic neurons in the organs

  • pelvic splanchnic

    • presynaptic parasympathetic to hindgut region

    • synapse to post-parasympathetic neurons in the organs

34
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what are the two venous drainage systems of the abdomen

  • caval system of veins

    • drains into inferior vena cava

  • portal system of veins

    • to the hepatic portal vein

35
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what are the major tributaries of the inferior vena cava

  • renal vein

  • right gondal vein

<ul><li><p>renal vein</p></li><li><p>right gondal vein</p></li></ul><p></p>
36
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the right gonadal vein will drain into the _______ while the left gonadal vein will drain into the _________

the right gonadal vein will drain into the inferior vena cava while the left gonadal vein will drain into the left renal vein

<p>the <span style="color: blue;"><strong>right gonadal vein</strong></span> will drain into the<strong> inferior vena cava</strong> while the<span style="color: blue;"><strong> left gonadal vein </strong></span>will drain into the <strong>left renal vein</strong></p>
37
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<p>describe the hepatic portal system</p>

describe the hepatic portal system

  • double capillary system

    • first set in the GI tract

    • second set is in the liver

  • deoxygenated blood is sent to liver to be filtered from food and processing of nutrients

<ul><li><p>double capillary system</p><ul><li><p>first set in the GI tract</p></li><li><p>second set is in the liver</p></li></ul></li><li><p>deoxygenated blood is sent to liver to be filtered from food and processing of nutrients</p></li></ul><p></p>
38
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<p>what two veins from the hepatic portal vein?</p>

what two veins from the hepatic portal vein?

  • splenic vein

  • superior mesenteric vein

<ul><li><p>splenic vein</p></li><li><p>superior mesenteric vein</p></li></ul><p></p>
39
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<p>what is this</p>

what is this

  • external oblique

    • downwards and inward

<ul><li><p>external oblique</p><ul><li><p>downwards and inward</p></li></ul></li></ul><p></p>
40
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<p>what is this</p>

what is this

  • internal oblique

    • upwards and inward

<ul><li><p>internal oblique</p><ul><li><p>upwards and inward</p></li></ul></li></ul><p></p>
41
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<p>what is this</p>

what is this

  • transverse oblique

<ul><li><p>transverse oblique </p></li></ul><p></p>
42
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<p>what is this</p>

what is this

  • rectus abdominis

<ul><li><p>rectus abdominis </p></li></ul><p></p>
43
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<p>what is this</p>

what is this

  • tendinous intersection

<ul><li><p>tendinous intersection</p></li></ul><p></p>
44
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<p>what is this</p>

what is this

  • linea alba

<ul><li><p>linea alba</p></li></ul><p></p>
45
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<p>what is this</p>

what is this

  • inquinal ligament

    • aponeurosis of external oblique joins here

<ul><li><p>inquinal ligament</p><ul><li><p>aponeurosis of external oblique joins here</p></li></ul></li></ul><p></p>
46
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<p>what is this</p>

what is this

  • inguinal canal

    • begins at deep inguinal ring and ends at superficial inguinal ring

      • contains…

        • spermatic cord for males

        • round ligament of the uterus for females

<ul><li><p>inguinal canal</p><ul><li><p>begins at <strong>deep inguinal ring</strong> and ends at <strong>superficial inguinal ring</strong></p><ul><li><p>contains…</p><ul><li><p>spermatic cord for males</p></li><li><p>round ligament of the uterus for females</p></li></ul></li></ul></li></ul></li></ul><p></p>
47
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describe inguinal hernias

  • indirect

    • abdominal organs push through the inguinal canal weakening

  • direct

    • abdominal organs push the anterior abdominal wall

<ul><li><p>indirect</p><ul><li><p>abdominal organs push through the inguinal canal weakening</p></li></ul></li><li><p>direct</p><ul><li><p>abdominal organs push the anterior abdominal wall </p></li></ul></li></ul><p></p>
48
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<p>what is this</p>

what is this

  • quadratus lumborum m.

<ul><li><p>quadratus lumborum m.</p></li></ul><p></p>
49
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<p>what is this</p>

what is this

  • levator ani

    • anterior 2/3rd of the pelvic diaphragm

<ul><li><p>levator ani </p><ul><li><p>anterior 2/3rd of the pelvic diaphragm </p></li></ul></li></ul><p></p>
50
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<p>what is this</p>

what is this

coccygeus muscle

  • posterior 1/3rd of the pelvic diaphragm

<p>coccygeus muscle</p><ul><li><p>posterior 1/3rd of the pelvic diaphragm </p></li></ul><p></p>
51
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<p>what is this</p>

what is this

iliococcygeus muscle

  • posterior part of the levator ani

<p>iliococcygeus muscle</p><ul><li><p>posterior part of the levator ani</p></li></ul><p></p>
52
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<p>what is the anterior portion of this muscle</p>

what is the anterior portion of this muscle

puboccycgeous muscle

<p>puboccycgeous muscle</p>