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==Structure==
==Structure==
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* The anatomy of the cervical canal is adapted to suit a particular pattern of reproduction
* Thick-walled
* Thick-walled
* Non-compliant (firm)
* Non-compliant (firm)
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* Multiple folds
* Multiple folds
* Cervical rings form interlocking finger-like projections known as interdigitating prominences.
* Cervical rings form interlocking finger-like projections known as interdigitating prominences.
+
* Elaborate system of folds and crypts to provide a site of storage where sperm are protected from the spermicidal environment of the vagina and uterus in the ewe.
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* Allows semen to be ejaculated directly into the uterus for rapid transport to the oviducts in the cow.
=== Sow ===
=== Sow ===
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* Multiple folds
* Multiple folds
* Cervical folds form rings (cervical rings)
* Cervical folds form rings (cervical rings)
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* Ensures a tight coupling of the penis with the cervix to ensure that the large volume of semen produced by the boar is deposited in the uterus.
=== Mare ===
=== Mare ===