equine GIT Flashcards
where does the oesophageal lumen narrow?
thoracic inlet and oesophageal hiatus of the diaphragm
nerves that innovate the oesophagus
vagus, glossy-pharyngeal, sympathetic
type of muscle in oesophagus
smooth and skeletal
is the epithelium keratinised
yes
stomach capacity in L
5-15L
which rib is the cardia opposite
11th
what is the success caecus and is it extensive?
where the oesophagus and stomach join, yes its extensive
what is the margo plicatus?
boundary between glandular and non-glandular stomach
why can’t horses vomit
well developed cardiac sphincter and acute entrance of oesophagus
feature of glandular stomach
presence of surface mucous cells and gastric pits
epithelium of the glandular stomach
simple columnar
parts of the small intestine
duodenum, jejunum, ileum
parts of the large intestine
caecum, colon, rectum
how can the small intestines become twisted or trapped?
because of the length of the mesentery
mesentery
connecting peritoneum that separates organs and body cavity (mucous)
which side does the ileum enter the caecum?
medial side
where is the termination of the ileum
ideal papillae
where the caecum and colon join
caecocolic orifice
parts of the caecum
base, body, apex (apex is the tip where the caecum ends)
bands/ taeniae of the large intestines
longitudinal smooth muscle cords on the caecum and segments of the colon
sacculations or haustra of the large intestines
series of pouches in the caecum and ventral colon formed by the segments
order of the ascending colon
RVC
sternal flexure
LVC
pelvic flexure
LDC
diaphragmatic flexure
RDC
(then transverse colon and descending colon)
where is the caecum found
fills entire right flank from last ICS to coxal tuberosity
what lies between the left and right ventral colon
apex of the caecum
