Origin of chorion
Examples from the Web for chorion
Historical Examples of chorion
The chorion is often ornamented with various processes, etc.The Works of Francis Maitland Balfour, Volume II (of 4)
Francis Maitland Balfour
The chorion is an outward skin which compasseth the child in the womb.
In the Cheiroptera (Vespertilio and Pteropus), the yolk-sack is large, and coalesces with part of the chorion.
The allantoic cavity persists (Owen), but the allantois only covers the placental area of the chorion.
This form of placenta occupies a broad zone of the chorion, leaving the two poles free.
Word Origin for chorion
"outer membrane of the fetus," 1540s, medical Latin, from Greek khorion "membrane enclosing the fetus, afterbirth," perhaps from PIE *ghere- "gut, entrail" (see yarn).