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Comparative Anatomy of Female Reproductive
System in Domestic Animals
Dr. Hella Al- Fatlawy
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Ovary
A. Location
1. mare :
The ovaries in mares is suspended by broad
ligament dorsally to ventral cavity toward the
lumber vertebra and displaced during weight
gain and increase of uterine consistency .
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2. Cow :
its located craniolateral of the broad ligament
and cranially to the pelvic inlet and parallel to
the internal cervical opening
the ovary is suspended by mesovarian ligament
and ovariouterine ligament , in the meeting of
this two ligaments , they form ovarian fossa .
During pregnancy the ovaries is displaced to
the ventral cavity.
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3. Dog & Cat :
its located in the abdominal cavity , caudal to
kidney because the length of the uterine horn , it
is attached to the dorsal body wall by
mesovarian , to the diaphragm by suspensory
ligament and to the end of the uterine horn by
proper ligament of the ovary.
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Ovary caudal to kidney in queen
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Suspensory ligament of ovary
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Reproductive system in queen
Bladder
Colon
Proper L.
ovary
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Ovarian bursa in queen
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Uterine tube in queen
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Broad and round ligament in queen
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Ovary in Cow Oval shape Smaller than mare in size Ovulation occur in any part of its surfaces C.L. can be identify No blood vessels appear on its surface dimensions 1. 1.5 – 5 cm long 2. 1 – 2 cm width 3. 0.5 -1.9 cm thickness
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Ovary of cow
Follicles andNew Corpus
Luteum
Mature CorpusLuteum
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Ovary of cow
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Ovary of Mare Kidney shape in size larger than cow ovulation occur in ovulation fossa only C.L. can not be identify on its surface has blood vessels on its surface Dimensions 1. 6 cm long 2. 4 cm width 3. 3 cm thickness
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Ovary of mare wit follicle
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Uterus the animals is divided into three groups according to the uterus Bipartite uterus ( cow , ewe and mare )
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Bicornuate uterus (cat , dog and pigs )
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Reproductive system in queen
Bladder
Colon
Proper L.
ovary
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simple uterus (human and primate )