chorion

(redirected from chorions)
Also found in: Dictionary, Medical, Encyclopedia, Wikipedia.
Related to chorions: chorion frondosum, chorion laeve
  • noun

Words related to chorion

the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

References in periodicals archive ?
78 CHANGES IN THE CHORION DUE TO FERTILIZATION AND EXTENDED INCUBATION IN THE CALIFORNIA GRUNION, LEURESTHES TENUIS
A chronometer was used to measure the time each nymph spent on the top of each egg/chorion visited, and the time needed from emergence to final position adjacent to the chorions, facing them (Fig.
The movement of nymphs on the top of the eggs/ chorions and stopping on several for a period of time reinforces the hypothesis of symbiont acquisition.
Dichorionic twins always have a membrane comprised of two chorions and two amnions that is four layers thick; on ultrasound it measures at least 2 mm thick.
If the twins share a chorion, they also share a placenta.
TORONTO -- Destruction of the chorion in women who are diagnosed with preterm premature rupture of membranes and chorioamnionitis may be due to cell death triggered by inflammation.
Men and Little Miss fans of all ages," said Pamela Ferris-Muller, US Vice President of Licensing, Chorion Silver Lining.
com; or Amory Millard, of Chorion Silver Lining, +1-212-973-4716, Amorym@chorionsilverlining.