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Integument and Alimentary systems SF2 > Ruminants > Flashcards

Ruminants Flashcards

1
Q

where does the superficial greater omentum lie

A

down the left longitudinal groove to the right, under the deuodenum

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2
Q

where does the deep wall of the greater omentum lie

A

attached to the right side

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3
Q

what is the omental bursa

A

hollow space formed by the greater and lesser omentum

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4
Q

what is the epiploic foramen, where is it?

A

passage “communication” between the omental bursa and the peritoneal cavity
i between the caudate lobe of the liver and the right kidney and pancreas

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5
Q

where does the lesser omentum lie?

A

covers the omasum

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6
Q

describe the topography of the oesophagus

A

descends dorsal to the trachea, the lies left, regains median position and enters the thoratic inlet. Contanues beyond tracheal bifurication then penetrates the oesophageal hiatus

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7
Q

where is the primary area for choke

A

thoratic inlet
base of heart
diaphragmatic hiatus
rumen cardia

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8
Q

what lines the 4 chambered stomach

A

keritansied stratified squamous epithelium

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9
Q

what is the purpose of the keritanised epithelium

A

upper layer potects against tough plant material
deeper layer absorbs volatile fatty acids

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10
Q

what is the function of the tumen

A

fermentation VAT

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11
Q

what is the compartment for the rumen and reticulum called

A

ruminoreticular compartment

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12
Q

what is the function of the reticulum

A

is a pump to allow liquids to flow in and out of the rumen

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13
Q

where does the rumen and reticulum occupy

A

entire Left side
7th rib to the pelvis

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14
Q

where does the reticulum lie

A

medial to the 6th and 8th cranial wall at the level of the elbow

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15
Q

where is the omasum

A

lower crianial abdomen bewteen the reticulum and cranial rumen (left) and then liver (right)

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16
Q

where is the abomasum

A

lies on the abdominal, pyloric region on the midline

17
Q

does the abomasum contact the liver?

A

only in sheep

18
Q

what are grooves

A

thickened smooth muscle on the inside of the rumen

19
Q

where are ruminal pillars

A

divide the dorsal and ventral ruminal sac

20
Q

where are coronaru pillars

A

divide caudal blind sac

21
Q

where are cranial pillars

A

divides dorsal and cranial sacs

22
Q

what are the 3 rumen sacs

A

dorsal
caudo ventral (blind)
ventral

23
Q

what is the purpose of forestomach papillae

A

increase SA
absorb VFA

24
Q

what is the purpose of the gastric groove

A

allow milk in young to bypass the forestomach so it is not fermented and go straight to the abomasum

25
Q

what connects the cardia to the abomasum

A

spiral mucal folds

26
Q

where is the reticular groove

A

between the ruminoreticular compartments

27
Q

what is the omentum’s unique ability

A

promote homeostasis and healing

28
Q

where does the lesser omentum start

A

visceral surface of the liver

29
Q

what is the supraomental recess

A

space containing all intestines surrounded by greater omentum

30
Q

what is the function of the omasum?

A

water absorption

31
Q

what is the interal structure of the omasum

A

longitudinal folds/ lamina hanging like pages on a book

32
Q

what is the function of the small intestine

A

enzymatic digestion

33
Q

what are the functions of the large intestines?

A

absorb water and volatile fatty acids

34
Q

what are the parts of the colon in order

A

ascending: proximal loop
spiral loop
distal loop
transverse colon
descending colon

35
Q

how is the stomach vascularised

A

splenic
left gastric
hepatic artery

branches of the celiac artery

36
Q

what innervates the intestines?

A

cranial mesenteric artery
deuodenum = celiac
descending colon = caudal mesenteric

37
Q

how is the GIT innervated

A

vagus nerve for rumination
splanchnic nerve for minor contraction and luminal diameters of arteriols
enteric

Integument and Alimentary systems SF2 (19 decks)

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