Changes

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== Myometrial Contraction==

== Myometrial Contraction==

* Myometrial cells contract and shorten, but do not regain their original length upon relaxation.

* Myometrial cells contract and shorten, but do not regain their original length upon relaxation.

* Reduces the uterine volume and causes retraction of the [[Female_Reproductive_Tract_-The_Uterus_- Anatomy & Physiology|lower uterine segment]] and the [[Cervix - Anatomy & Physiology|cervix]] to create a '''birth canal'''.

* Reduces the uterine volume and causes retraction of the [[Uterus - Anatomy & Physiology|lower uterine segment]] and the [[Cervix - Anatomy & Physiology|cervix]] to create a '''birth canal'''.

'''''Retraction Ring'''''

'''''Retraction Ring'''''

*The [[Female_Reproductive_Tract_-The_Uterus_- Anatomy & Physiology|Uterus]] is divided into two segments:

*The [[Uterus - Anatomy & Physiology|Uterus]] is divided into two segments:

** Upper segment: contractile

** Upper segment: contractile

** Lower segment: passive

** Lower segment: passive

[[Category:Reproductive System]]

[[Category:Parturition]]

[[Category:Bullet Points]]