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Normal Parturition - Anatomy & Physiology (view source)
Revision as of 09:56, 4 August 2008
, 09:56, 4 August 2008→Placental Expulsion
= Placental Expulsion =
In most species, expulsion of foetal membranes quickly follows expulsion of the foetus.
In most species, expulsion of foetal membranes quickly follows expulsion of the foetus.
** Act in a peristaltic fashion in the cow and sow in the reverse direction.
** Act in a peristaltic fashion in the cow and sow in the reverse direction.
== Placental Changes ==
During the last 5 days of gestation, there are changes in the placenta.
During the last 5 days of gestation, there are changes in the placenta.
* Weakening of the acellular protein layer between cotyledonary and caruncular epithelium.
* Weakening of the acellular protein layer between cotyledonary and caruncular epithelium.
== Contractions ==
* Open endometrial crypts
* Open endometrial crypts