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Cervix - Anatomy & Physiology (view source)
Revision as of 12:10, 9 September 2008
, 12:10, 9 September 2008→Structure
** Single fold and smooth surface in the queen and bitch
** Single fold and smooth surface in the queen and bitch
** 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 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 vagina at the external uterine ostium.
* 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.
* Elaborate system of folds and crypts to provide a site of storage where sperm are protected from the spermicidal environment of the vagina and [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] in the ewe.
* Allows semen to be ejaculated directly into the uterus for rapid transport to the oviducts in the cow.
* Allows semen to be ejaculated directly into the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] for rapid transport to the oviducts in the cow.
=== Sow ===
=== Sow ===
* External uterine ostium opens on a small hillock projecting into the vagina.
* External uterine ostium opens on a small hillock projecting into the vagina.
* Small
* Small
* Thick walled compared to the uterus or vagina
* Thick walled compared to the [[Female_Reproductive_Tract_-The_Uterus_-_Anatomy_%26_Physiology|uterus]] or vagina
* Single fold
* Single fold
* Smooth surface
* Smooth surface