Equine Abdomen

Question 1

what attaches the abdominal muscles to the pelvic skeleton?

Answer 1

prepubic tendon

Question 2

which kidney is more cranial?

Answer 2

right kidney

Question 3

what kidney is heart-shaped?

Answer 3

right kidney

Question 4

what level is the cardia in the horse?

Answer 4

dorsal part of the 11th rib

Question 5

why do horses rarely vomit?

Answer 5

1. no emetic center

2. cardiac sphincter

Question 6

what side of he liver is the gastric impression on?

Answer 6

left

Question 7

what side of the liver is the renal impression on ?

Answer 7

right

Question 8

what is the location of the right kidney?

Answer 8

under the last 2-3 ribs and first lumbar transverse process

Question 9

what level are the ileocecal and cecocolic orifices?

Answer 9

17th intercostal space

Question 10

what order of colons does the digesta flow through?

Answer 10

RVC->LVC->LDC->RDC

Question 11

ventral diaphragmatic flexure =

Answer 11

sternal flexure

Question 12

what is the sternal flexure between?

Answer 12

right ventral and left ventral colon

Question 13

what is the pelvic flexure between?

Answer 13

left ventral and left dorsal colon

Question 14

what is the dorsal diaphragmatic flexure aka?

Answer 14

diaphragmatic flexure

Question 15

what is the diaphragmatic flexure between?

Answer 15

left dorsal and right dorsal colon

Question 16

what makes up the ascending colon?

Answer 16

dorsal and ventral colons

Question 17

the bands are called

Answer 17

teniae coli

Question 18

sacculations are called?

Answer 18

haustra

Question 19

everything sitting on the floor of the abdomen will have how many bands?

Answer 19

4 bands (4 on the floor)

Question 20

what is the direction of flow of digesta?

Answer 20

esophagus - cardia - pylorus - duodenum - jejunum - ileum - ileocecal orifice - cecum - cecocolic orifice - RVC - sternal flexure - LVC - pelvic flexure - LDC - diaphragmatic flexure - RDC - transverse colon - small (descending colon) - rectum

Question 21

where does the colon make a U-turn

Answer 21

pelvic flexure (between LVC and LDC)

Question 22

what is the largest (diameter) of the large colon?

Answer 22

right dorsal colon

Question 23

where does sand colic usually happen?

Answer 23

in the ventral colon

Question 24

with an incision through the middle of the left dorsal flank, the first organ you would most likely encounter would be what?

Answer 24

the spleen

Question 25

following the normal flow of ingesta, the next possible impaction site after food leaves the RVC would be?

Answer 25

the pelvic flexure

Question 26

what does the celiac artery supply?

Answer 26

liver, stomach, spleen, pancreas, cranial duodenum

Question 27

what does the cranial messenteric artery supply?

Answer 27

caudal duodenum, jejunum, ileum, pancreas, cecum, ascending and transverse colon, and part of descending colon

Question 28

what does the caudal messenteric artery supply?

Answer 28

descending colon and cranial rectum

Question 29

what artery is the major blood supply to the uterus?

Answer 29

the uterine artery

Question 30

what drains to the superficial inguinal LN?

Answer 30

penis, scrotum, prepuce, udder, vulva, nearby abdominal wall

Question 31

what drains to the deep inguinal LN?

Answer 31

most of the lymph from the pelvic limb

Question 32

what is the location of the deep inguinal LN?

Answer 32

the femoral triangle

Question 33

what drains to the subiliac LN?

Answer 33

superficial parts of the hip, thigh and flank

Question 34

what drains to the medial iliac LN?

Answer 34

pelvis, pelvic viscera, testes, all other pelvic LN

Question 35

what is the terminal LN for the pelvic limb?

Answer 35

medial iliac LN