Equine GI - Final Exam Material Flashcards
What can’t horses vomit?
Lower espophageal (cardiac) sphincter is extremely tight in the horse
What separates the glandular and non-glandular portion of the stomach? What nasty critter can be found here sometimes (hopefully never though)?
MARGO PLICATUS
bot fly larvae, nasty fucks…. oh and gastric ulcers
What are the bands and pouches of the large intestine called?
taeniae coli - bands
haustra - pouches
Why are horses called hind gut fermenters?
food has already been through the stomach, cecum, and jejunum
Where are haustras more prominent?
in the VENTRAL colon
The equine large colon is the ascending colon. True or false?
True
The equine large colon has a massive range of motion resulting in what?
displacement, torsion, volvulus
What portions of the large intestines has what number of bands.
Cecum: 4 RVC: 4 LVC:4 LDC: 1 RDC: 3 Transverse: 2 Descending: 2
Whats up with the cecal bands? What do they connect to?
Dorsal band of cecum leads to the “ileocecal fold”
Lateral band of cecum connects to ventrolateral band of the colon “cecocolic fold”
How do we distinguish where we are in the abdomen of the horse?
Use the bands! If you have bands you are in the large intestine, the number of bands will tell you where exactly. If there are no bands you’re in small intestines, gross.
Root of the mesentery can be used to identify what?
jejunum
The duodenocolic fold can be used to identify what?
ascending duodenum and descending colon
The ileocecal fold can be used to identify what?
ileum and cecum
What artery of the small intestine is absent in the horse?
antimesenteric ileal artery
The cecocolic fold can be used to identify what?
cecum and right ventral colon
