Comparative Equine/Porcine GIT Anatomy Flashcards
The _______________ is always cranial to the root of the mesentery
transverse colon
The _________________ of the duodenum is always caudal to the root of the mesentery.
Caudal flexure
In the horse, there is a distinct __________ delineating the glandular from the non-glandular portion of the stomach
Margo plicatus
Due to the equine duodenum having an ampulla, the dudodenum aquires the S shaped __________________
Sigmoid flexure
In the equine, the right ventral colon will bend into the ________________ which in turn will become the left ventral colon
sternal flexure
After L ventral colon, the ________ flexure will delineate the start of the left dorsal colon
Pelvic
Is the left dorsal colon small or big in diameter?
Small in diameter
Before the Right dorsal colon, what is the flexure present?
Diaphragmatic flexure
The transverse colon goes from ______ to ______
Right to left
What is a potential impaction point in the colon?
Pelvic flexure
The blind sac in the equine stomach is termed:
saccus cecus
Bot fly larvae will be found in what part of the inner stomach?
Non-glandular part
Describe the location of major and minor duodenal papillae in relation to each other
they are in opposite sides
The equine portal vein is surrounded by?
Anulus pancreatis (ring)
The large colon includes:
Cecum and ascending colon
The small colon includes:
Transverse and descending colon
In the equine, what structure is more developed that connects the ileum to the cecum in compared to the dog?
Ileocecal fold
The cecum is notably sacculated or contains ____________
Haustra
The colon and cecum contain __________ or bands
taenia
The cecum has ____ bands
4
How many bands in the left dorsal colon?
1
how many bands in the right dorsal colon?
3
The left ventral colon has how many bands?
4
The local thickenings of the T. muscularis are called ______________
taenia/ bands
The sacculations between bands are called ______________
Haustra
Bands can be ______ or _________
Free or hidden
The diaphragmatic flexure is also called_________________________
Dorsal diaphragmatic flexure
The sternal flexure is also called_________________________
Ventral diaphragmatic felxure
The cecum will be on what side on the horse?
Right side
Apex of the cecum is described in orientation as ?
Ventral and cranial
The ileum enters the cecum __________ (direction)
Medially
What artery supplies the descending colon in equine?
Left colic a
The middle colic a supplies the ______________ in equine
transverse colon
What a supplies the oral portion of the ascending colon?
Colic branch of the ileocolic a
The aboral portion of the ascending colon is supplied by?
Right colic a
What are the 2 parts of the ascending colon in pigs?
centripetal and centrifugal
In pigs, one can see a _______________ extending to the non-glandular portion from cardia
gastric diverticulum
What is the thickening of the pyloric region in pigs and ruminants called?
Torus pyloricus
How many coils in pigs for the ascending colon?
3.5
Where is the force going in the centripetal loops of ascending coil?
In
In centrifugal loops, force turns in what direction?
Counter clockwise
The centrifugal ascending colon in pigs is supplied by which a?
Right colic
The centripetal ascending colon in pigs is supplied by which a?
Colic br of ileocolic
