Line 36:
Line 36:
* 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 [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]].
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* Ensures a tight coupling of the [[Male_Reproductive_Tract_-The_External_Genetalia_-_Anatomy_%26_Physiology|penis]] with the cervix to ensure that the large volume of semen produced by the boar is deposited in the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]].
=== Mare ===
=== Mare ===