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