equine GIT Flashcards

1
Q

where does the oesophageal lumen narrow?

A

thoracic inlet and oesophageal hiatus of the diaphragm

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2
Q

nerves that innovate the oesophagus

A

vagus, glossy-pharyngeal, sympathetic

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3
Q

type of muscle in oesophagus

A

smooth and skeletal

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4
Q

is the epithelium keratinised

A

yes

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5
Q

stomach capacity in L

A

5-15L

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6
Q

which rib is the cardia opposite

A

11th

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7
Q

what is the success caecus and is it extensive?

A

where the oesophagus and stomach join, yes its extensive

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8
Q

what is the margo plicatus?

A

boundary between glandular and non-glandular stomach

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9
Q

why can’t horses vomit

A

well developed cardiac sphincter and acute entrance of oesophagus

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10
Q

feature of glandular stomach

A

presence of surface mucous cells and gastric pits

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11
Q

epithelium of the glandular stomach

A

simple columnar

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12
Q

parts of the small intestine

A

duodenum, jejunum, ileum

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13
Q

parts of the large intestine

A

caecum, colon, rectum

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14
Q

how can the small intestines become twisted or trapped?

A

because of the length of the mesentery

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15
Q

mesentery

A

connecting peritoneum that separates organs and body cavity (mucous)

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16
Q

which side does the ileum enter the caecum?

A

medial side

17
Q

where is the termination of the ileum

A

ideal papillae

18
Q

where the caecum and colon join

A

caecocolic orifice

19
Q

parts of the caecum

A

base, body, apex (apex is the tip where the caecum ends)

20
Q

bands/ taeniae of the large intestines

A

longitudinal smooth muscle cords on the caecum and segments of the colon

21
Q

sacculations or haustra of the large intestines

A

series of pouches in the caecum and ventral colon formed by the segments

22
Q

order of the ascending colon

A

RVC
sternal flexure
LVC
pelvic flexure
LDC
diaphragmatic flexure
RDC
(then transverse colon and descending colon)

23
Q

where is the caecum found

A

fills entire right flank from last ICS to coxal tuberosity

24
Q

what lies between the left and right ventral colon

A

apex of the caecum

25
Q

what is dorsal to the RVC in the thoracic cage

A

RDC

26
Q

which side of the horse are most of the small intestines found

A

left dorsal side

27
Q

where is the horses stomach found

A

completely in the rib cage at the level of the 14th to 15th ICS

28
Q

what is the nephrosplenic ligament

A

attaches spleen to kidney on the left side

29
Q

LVC and LDC connected by…

A

fairly short mesentery

30
Q

possible sites for obstruction

A

pelvic flexure
transverse colon
descending colon
caecum