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76 Cards in this Set
- Front
- Back
- 3rd side (hint)
esp in blind sacs,absent from the roof (except in the sheep,goat) and pillars
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Ruminal papillae
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4 to 6 sided compartments formed by reticular crests
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reticular cells
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Both floor & edges of cells have small papillae (reticular papillae)
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reticular crests
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found on laminae
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omasal papillae
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diet consists of grass (cattle and sheep)
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grazers
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diet consists of leaves(goats and antelope)
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Browsers
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leaves are more nutritious & consist of less fiber (cellulos) therefore
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forestomach of browsers is smaller than that of grazers
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longer lives & more bulky..
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browsers
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displaced to the right by rumen...(he said in class displace to right of median plain..)
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small intestine
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what recess is the SI
and tell me how long the SI is.. |
supraomental recess
& 30-60 m but narrow diameter (c.f. horse) |
*generally similar in all species
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why is duodenum fixed
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find out why
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general pattern of LI
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basic (dog,cat & man)
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most changes occur where in LI
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Ascending parts?
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ox & sheep
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spiral look of asc colon
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LI of ruminants has
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no bands & NO haustra
(horse & pig do) |
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LI of rum/cecum explain
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caudal blind apex
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whats b/w the cecum and Ascend colon?
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ileum
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what is import about the jnz of ileum, cecum, colon...
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ileo-cecal-colic jnx
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ascending colon
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thrown into sigmoid or s shaped flexure (proximal flexure)
(the ascending colon is the larger part of the LI....it displays 3 segments) |
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what is between the two flexures
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spiral loop (disc-like spiral loop)
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three main structure of ascending colon of ruminants
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-prox or Sigmoid loop
-spiral loop -distal flex |
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comes from ileo-cecal jnx
runs cranially and ventrall |
Sigmoid /prox flex
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The "disc-like" spiral loop goes...centripetal (which means)?
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clockwise
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Then the "disc-like" spiral loop goes...centriFugal (which means)?
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counter-clockwise
( remember where these two meet...at the Central Flexure) |
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sheep goat ox...how many coils?
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3 turns
4 goat 2.5 ox |
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last centrifugal coil runs
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dorsally & caudally to the level of the 2nd flexure of the proximal loop
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once it forms the distal loop ..
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travels cranially to become the traverse colon
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only the cecum has a ___
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remarkable diameter
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spiral colon fuses to the left surface of
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mesojejunum
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can you examin the spiral colon from right?
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not easily
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most external coil (running out)
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centrifugal coil
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where are jejunal lymph nodes in bovine...what about Sheep & goat
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b/w coils of jejunum & last centrifugal coil in Bovine
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where are jejunal lymph nodes in Sheep & goat
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in sheep & goat:lie b/w the last centifugal coil and 1st centriPetal coil
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fecal pellets found where (maybe found)
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in sheep & goats fecal pellets in the descending colon
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liver lies
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obliquely in the abdominal part of the thoracic cage
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left lobe is
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cranioventral
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right lobe is
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caudodorsal
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is there external indication of lobation?
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no
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do ruminants have gallbladder?
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yes
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the ______ joins the cystic duct
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common hepatic duct
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common bile duct enter into
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duodenum thru the major duodenal papilla
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duodenum is on the ..
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right of median plane
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the common hepatic duct joins the cystic duct to form _______.
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common bile duct (ductus choledochus)
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Pancreas (as in the dog) has
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left body---right lobes
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ruminants have: ______,_____, but _____
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-small body
-long right lobe -left lobe is broad |
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Pancreatic ducts: Rum: ox & pig the accessory pancreatic duct (main duct) opens
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into the minor duodenal papilla
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Pancreatic duct:sheep & goats: major pancreatic duct opens into ....
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the major duodenal papilla
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spleem Ox..tell me about shape
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-looks long....
-flattened -spatulate/tonge shape -visceral surface attaches closely to rumen (NOT abomasum) |
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Spleen:Ox:...visceral surface attaches closely to rumen (NOT abomasum) and therefore...
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the phrenicosplenic and gastrosplenic ligaments are vestigial
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Spleen: sheep & goat:
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-flattened
-retangular or triangular in shape - |
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the last centriFugal coil runs _______&_______ to the level of the 2nd flexure of the prox. loop.
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dorsally and caudally
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The last centriFugal coil runs dorsally & caudally to the level of the ________________?
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2nd flexure of the proximal loop.
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It then forms the distal loop which continues cranially to become ____?
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transverse colon.
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again....it then forms the distal loop which continues _______ to become the transverse colon.
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cranially
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Only the ______has a remarkable diameter.
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cecum
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The spiral colon fuses to the _____ surface of the ________?
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left surface of the mesojejunum
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The spiral colon fuses to the left surface of the mesojejunum...how can this be examined?
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not easily from the right.
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Bovine jejunal lymph nodes lie between _______ and ______.
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b/w coils of jejunum
& last centriFugal coil |
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Sheep/goat jejunal lymph nodes lie between _______ and ______.
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b/w the last centriFugal coil
& 1st centripetal coil. |
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Fecal pellets in the _________ may appear beaded.
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descending colon
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The mucos membrane of the forestomach has ________ especially in the blind sacs?
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Ruminal papillae
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Ruminal Papillae are absent from ____ & ____. Except in what?
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roof & pillars (except in sheep and goat)
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The mucos membrane of the forestomach has ________ with four to six-sided compartments formed by reticular cells.
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Reticular cells.
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Reticular cells are 4 to 6 sided compartments formed by ________?
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Reticular crests
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Both floors & edges of cells have small papillae called ________?
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Reticular papillae
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These papillae are found on the laminae?
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Omasal papillae
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In the BOVINE the ________ & the floor of the reticular groove display claw-like projections?
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reticulo-omasal ostium
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again....In the BOVINE the ________ & the floor of the ________ display claw-like projections?
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-reticulo-omasal ostium
& floor of the RETICULAR GROOVE |
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Now...what are these claw-like projections called??
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Ungui-culi-form Papillae
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diet of mostly grass=
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Grazers
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diet of mostly leaves =
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Browsers
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_____are more nutritious & contain less fiber (cellulose)?
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Leaves
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Since leaves are more nutritious & contain less fiber (cellulose) the forestomach of ________ is ______ than that of _______?
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browsers is SMALLER than that of grazers.
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Browsers have larger ______ & more bulky _______.
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larger livers
& more bulky intestines |
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In Browsers...the ______ are more numerous & more evenly distributed throughout.
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ruminal papillae
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In Browsers the _______ & ______ are relatively larger.
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cecum
& ascending colon |
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