amnionn.
Physiol.
a. The innermost membrane enclosing the fœtus before birth.
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > membranes, etc., of embryo or fetus > [noun] > membranes enclosing
houve1530
kell1530
cotyledon1540
chorion1545
coif1545
hoop-caul1545
shirt1545
caul1547
sillyhow1574
biggin1611
guard1611
allantoides1615
allantois1615
allantoid1633
amnios1657
amnion1667
heam1681
vitta1693
indusium1706
silly-hood1836
1667 Philos. Trans. (Royal Soc.) 2 511 The Fœtus is nourished only from the Amnion by the Mouth.
1764 W. Smellie Treat. Midwifery I. 114 The Chorion is on the inside lined with another membrane called Amnion.
1863 S. Baring-Gould Iceland 127 The clerestory windows covered with the amnion of sheep.
b. attrib.
ΚΠ
1879 tr. Haeckel Evol. Man II. xviii. 133 All known Amnion Animals, coincide in many important points of organization and development.
This entry has not yet been fully updated (first published 1884; most recently modified version published online March 2011).
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