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Cervix - Anatomy & Physiology (view source)
Revision as of 12:13, 9 September 2008
, 12:13, 9 September 2008→Structure
** Multiple folds protruding into the cervical canal in the cow, ewe, sow and mare.
** Multiple folds protruding into the cervical canal in the cow, ewe, sow and mare.
* The cervical canal opens cranially into the body of the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] at the internal uterine ostium.
* The cervical canal opens cranially into the body of the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] at the internal uterine ostium.
* The cervical canal opens caudally into the vagina at the external uterine ostium.
* The cervical canal opens caudally into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]] at the external uterine ostium.
=== Cow and Ewe ===
=== Cow and Ewe ===
* Multiple folds
* Multiple folds
* Cervical folds form rings (cervical rings)
* Cervical folds form rings (cervical rings)
* 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.
* 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]].
=== Mare ===
=== Mare ===
* Simple cervix with the most caudal part bulging into the vagina to form a distinct recess (vaginal fornix).
* Simple cervix with the most caudal part bulging into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]] to form a distinct recess (vaginal fornix).
* Low volume mucous secretion
* Low volume mucous secretion
* Multiple folds
* Multiple folds
* Many longitudinal folds of mucosa that protrude into the vagina (fornix vagina)
* Many longitudinal folds of mucosa that protrude into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]] (fornix vagina)
* Soft during oestrus
* Soft during oestrus
=== Bitch ===
=== Bitch ===
* Simple cervix with the most caudal part bulging into the vagina to form a distinct recess (vaginal fornix).
* Simple cervix with the most caudal part bulging into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]] to form a distinct recess (vaginal fornix).
* Single fold
* Single fold
* Relatively smooth surface
* Relatively smooth surface
=== Queen ===
=== Queen ===
* External uterine ostium opens on a small hillock projecting into the vagina.
* External uterine ostium opens on a small hillock projecting into the [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]].
* Small
* Small
* Thick walled compared to the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] or vagina
* Thick walled compared to the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] or [[Female_Reproductive_Tract_-The_Vagina/Vestibule_-_Anatomy_%26_Physiology|vagina]]
* Single fold
* Single fold
* Smooth surface
* Smooth surface