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Cervix - Anatomy & Physiology (view source)
Revision as of 12:01, 9 September 2008
, 12:01, 9 September 2008→Structure
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* Mare and carnivores have a simple cervix bulging into the vagina to form a distinc recess (vaginal fornix).+* Lumen is the cervical canal
−
==Structure==
==Structure==
−*
+* The lumen of the cervix is the cervical canal.
−* The canal is formed by, and often almost occluded by mucosal folds.
−* Folds surround the lumen
** 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 caudally into the vagina at the external uterine ostium.
=== Cow and Ewe ===
=== Cow and Ewe ===
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=== Mare ===
=== Mare ===
+* Simple cervix with the most caudal part bulging into the vagina to form a distinct recess (vaginal fornix).
* Low volume mucous secretion
* Low volume mucous secretion
* Multiple folds
* Multiple folds
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=== Bitch ===
=== Bitch ===
+* Simple cervix with the most caudal part bulging into the vagina to form a distinct recess (vaginal fornix).
* Single fold
* Single fold
* Relatively smooth surface
* Relatively smooth surface
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=== Queen ===
=== Queen ===
+* 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 uterus or vagina