Lab 4 Superficial abdominal structures and GI topography of the horse Flashcards Preview

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Flashcards in Lab 4 Superficial abdominal structures and GI topography of the horse Deck (12)
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1

External abdominal oblique function

defication, micturition, partution, expiration, flexes trunk

2

abdominal muscles innervation

receive innervation from D and V branches of spinal nerves T18-L2

3

boundaries of abdominal cavity

cr- diaphragm
dorsal- lumbar vertebrea and hypoxia muscles
cd- pelvic inlet
lateral- internal and external abdominal obliques and transversus abdominus
ventral- rectus abdominal muscle

4

sub iliac lymph nodes

on edge tensor fasciae latae dorsal to stifle; Darin superficial parts of hip, thigh, flank, and sends efferents to lateral iliac lymph nodes w/ in abdomen

5

liver lobes of horse

horses lack gallbladder
- R lobe bigger than L
- quadrate between has lobes, caudate on back side

6

boundaries of epiploic foramen

Cr- hepatoduodenal ligament (lesser omentum)
Dorsal- cd vc and caudate process of caudate liver lobe
cd- hepatic artery / mesoduodenum
ventral- portal vein

7

small intestine course

duodenum arises from stomach passes caudally on r of root of mesentery, climbs over top of base of cecum then curves right to left caudal to mesentery and passes cr on left side of mesentery and becomes jejunum v to left kidney, jejunum coiled on l side abdomen and ends as ileum which passes l to r cd to root mesentery and v to duodenum where enters base of cecum at lesser curvature

8

duodenum mesentery

mesoduodenum

9

jejunum mesentery

mesojejunum

10

ileum

attached to cecum by ileocecal fold

11

regions of stomach

glandular and non glandular; separated by margo placates, glandular region more ventral; cardia, body, fundus of stomach

12

deep circumflex iliac artery

first branch off of external iliac artery
cr branch found in reflection of internal oblique and on surface of transversus
cd branch lies deep to sub iliac LNs which are on edge tensor fasciae latae dorsal to stifle Lisa along with lateral cutaneous femoral nerve