
1) Mucosa 2) Mucous membrane
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https://www.crosswordclues.com/clue/endometrium

• (n.) The membrane lining the inner surface of the uterus, or womb.
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http://thinkexist.com/dictionary/meaning/endometrium/

(from the article `allantois`) ...fetal excretions. In mammals other than marsupials the allantois is intimately associated with the chorion, contributing blood vessels to that ... Rather than flowing out of the uterus by way of the vagina (during menstruation), some fragments of the endometrium may leave via the fallopian tubes ... ...
Found on
http://www.britannica.com/eb/a-z/e/29

The layer of tissue that lines the uterus.
Found on
http://www.cancer.gov/dictionary?expand=E

The highly vascular lining of the uterus.
Found on
http://www.cat-world.com.au/glossary

A mucous membrane, well supplied with blood vessels, that lines the uterus. It becomes thickened in the latter part of the menstrual cycle, but if no pregnancy occurs it is shed during menstruation. Related entry • female genital tract
Found on
http://www.daviddarling.info/encyclopedia/E/endometrium.html

The inner lining of the uterus that thickens and sloughs off during the menstrual cycle.
Found on
http://www.encyclo.co.uk/local/20905

<anatomy, gynaecology> The tissue lining the uterus, it is sloughed off during the woman's menstrual period, and afterward grows back and slowly gets thicker and thicker until the next period. ... (07 Apr 1998) ...
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http://www.encyclo.co.uk/local/20973

(en″do-me´tre-әm) pl. endome´tria the mucous membrane lining the uterus. adj., endome´trial., adj.
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http://www.encyclo.co.uk/local/21001

The lining of the uterus which grows and sheds in response to estrogen and progesterone stimulation; the bed of tissue designed to nourish the implanted embryo.
Found on
http://www.encyclo.co.uk/local/21429

The lining of the uterus (womb).
Found on
http://www.encyclo.co.uk/local/21474

The lining of the uterus into which the embryo
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http://www.encyclo.co.uk/local/22139

Mucous membrane that lines the uterus and that thickens during the menstrual cycle ready for implantation of the embryo. If implantation does not occur the endometrium returns to its previous state and the excess tissue is shed at menstruation. If implantation does occur the endometrium becomes the decidua and is not shed until after parturition.
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http://www.encyclo.co.uk/visitor-contributions.php
En`do·me'tri·um noun [ New Latin , from Greek
'e`ndon within +
mh`tra the womb.]
(Anat.) The membrane lining the inner surface of the uterus, or womb.
Found on
http://www.encyclo.co.uk/webster/E/38

Lining of the uterus
Found on
http://www.generalandmedical.com/glossary/index_alpha_Results.html?mode=E

Endometrium: The uterine lining; the cells that line the uterus (the womb); the inner layer of the uterus. This tissue is shed monthly in response to the hormonal changes of the menstrual period. The endometrium then grows back and slowly gets thicker and thicker until the next period when it is once again sloughed off.
Found on
http://www.medterms.com/script/main/art.asp?articlekey=3242

(en;do-me;tre-um) The inner lining of the uterus.
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http://www.mhhe.com/biosci/abio/glossary.mhtml

The inner lining of the uterus, made up of tissue and blood that are shed during menstruation every month in a woman of child-bearing age. Once conception has occurred, the embryo implants itself in the endometrium. Broader term(s): Uterus
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http://www.pregnology.com/

The lining of the uterus. Mucus membrane lining the uterus.
Found on
https://www.donorconcierge.com/blog/glossary-of-surrogacy-terms
noun (pregnancy) the mucous membrane that lines the uterus; thickens under hormonal control and (if pregnancy does not occur) is shed in menstruation; if pregnancy occurs it is shed along with the placenta at parturition
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https://www.encyclo.co.uk/local/20974

Greek endo = within, and metra = uterus, hence the mucosal lining of the uterine cavity.
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https://www.encyclo.co.uk/local/21450

Mucous membrane that lines the inside of the uterine wall.
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https://www.encyclo.co.uk/local/22789

Mucous membrane that lines the inside of the uterine wall.
Found on
https://www.encyclo.co.uk/local/23319

mucous membrane lining of the inner surface of the uterus that grows during each menstrual cycle and is shed in menstrual blood.
Found on
https://www.stanfordchildrens.org/en/topic/default?id=glossary---adolescent

The lining of the uterus into which the embryo implants.
Found on
https://www.whattoexpect.com/pregnancy/glossary
No exact match found.