Lexic.us

Definition of Amniotic sac

1. Noun. Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals).

Definition of Amniotic sac

1. Noun. The sac in which the foetus develops in mammals, reptiles and birds. ¹

¹ Source: wiktionary.com

Medical Definition of Amniotic sac

1. Sac, enclosing the embryo of amniote vertebrates, that provides a fluid environment to prevent dehydration during development of land based animals. See: amnion. This entry appears with permission from the Dictionary of Cell and Molecular Biology (22 Feb 2008)

Lexicographical Neighbors of Amniotic Sac

Literary usage of Amniotic sac

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Development of the Chick: An Introduction to Embryology by Frank Rattray Lillie (1908)
"Thus the amniotic sac containing the embryo lies above ; beneath the amniotic sac comes the yolk, and the main mass of the albumen lies towards the caudal ..."

2. Proceedings by Philadelphia County Medical Society (1897)
"The amniotic sac could be clearly demonstrated protruding through the rent in ... All other parts of the amniotic sac were covered by the distended tube. ..."

3. Transactions of the Obstetrical Society of London: Vol. I-XLIX, for the Year by Obstetrical Society of London (1900)
"THE foetus, which was at the fourth month of development, lay in its unruptured amniotic sac, the latter being about five inches in diameter, there being no ..."

4. Transactions of the Edinburgh Obstetrical Society by Edinburgh Obstetrical Society (1896)
"Since that time, however, two more examples of simple expulsion of the unruptured amniotic sac have come under my notice, both of which I am able to show. ..."

5. Proceedings by Philadelphia County Medical Society (1897)
"The amniotic sac could be clearly demonstrated protruding through the rent in ... All other parts of the amniotic sac were covered by the distended tube. ..."

6. A German-English dictionary of terms used in medicine and the allied sciences by Hugo Lang, Bertram Abrahams (1905)
"... prolific Frucht-bildung, /. fructification Frucht-blase, /. amniotic sac ... artificial rupture of amniotic sac Frucht-blasensprung, m. rupture of ..."

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