Chorion Sentence Examples

Many Gastropoda deposit their eggs, after fertilization, enclosed in capsules; others, as Paludina, are viviparous; others, again, as the Zygobranchia, agree with the Lamellibranch Conchifera (the bivalves) in having simple exits for the ova without glandular walls, and therefore discharge their eggs unenclosed in capsules freely into the sea-water; such unencapsuled eggs are merely enclosed each in its own delicate chorion.

The surface of the chorion is covered evenly with minute villi, constituting a diffuse non-deciduate placenta.

One important question is whether or not the twins shared a chorion in the womb.

Mums-to-be are currently offered the traditional method in which a needle is inserted inside the womb (amniocentesis or chorion villus sampling ).

We do occasionally find mosaicism in chorion villous cells obtained by the CVS test at 12 weeks gestation.

About 30 percent of identical twins have this classification, and each twin has its own chorion, amnion, and placenta.

The placenta has one chorion and two amnions, so each twin has its own amniotic sac.

If the multiples are identical, only one chorion membrane is present.

The egg consists of an outer casing, or chorion, inside which is the females fertilized ovum.