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What is the part of the uterine wall which is not shed during menstruation?

What is the part of the uterine wall which is not shed during menstruation?<br/>

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Asked by Chachelly, Last updated: Nov 19, 2024

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Chachelly

Chachelly

Chachelly
Chachelly

Answered Oct 05, 2018

Myometrium

This question is phrased in a slightly tricky way, so its important to break it down before looking at the answers. There are two things to think about here. First, you need to decide if a structure is part of the uterus. If it is part of the uterus, then you need to decide if it is shed during menstruation. The correct answer will be a structure that is part of the uterus but is not shed during menstruation. Answers about structures that are not shed during menstruation because they are not part of the uterine wall are incorrect. The myometrium is our correct answer. It is the middle muscular component of the uterine wall and it is not shed during menstruation. The endometrium is the inner mucosal coat of the uterus. It exhibits many characteristic changes during the menstrual cycle and all but its stratum basalis is shed during menstruation. The mesometrium is the mesentary of the uterus which forms the major part of the broad ligament of the uterus. It is not even part of the uterine wall, so its not the answer to look for. Cervical mucosa lines the cervix, which is the inferior portion of the uterus. This mucosa is shed during menstruation. Finally, the uterus does not have rugae - rugae are the folds found in the lining of the vagina (and stomach).
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