Chorion

Word CHORION
Character 7
Hyphenation cho ri on
Pronunciations N/A

Definitions and meanings of "Chorion"

What do we mean by chorion?

The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta. noun

In anatomy, the outermost fetal envelop; the external membrane which invests the embryo, forming in the higher vertebrates the outer layer of the bag of waters, and contributing to the formation of the placenta. noun

By analogy — The membrana putaminis or egg-pod of those eggs which have calcareous shells. noun

The external investment of the ovum of an insect, derived from the epithelial layer of the oviduct. noun

Same as corium. noun

In botany, the pulpy matter which fills the young ovule and is absorbed during development. noun

The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development. noun

The true skin, or cutis. noun

The outer membrane of seeds of plants. noun

The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus. noun

The outer case of an insect egg. noun

The outer membrane of seeds of plants. noun

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

The protective and nutritive membrane in higher vertebrates that attaches the fetus to the uterus.

The outer case of an insect egg.

The outer membrane of seeds of plants.

Synonyms and Antonyms for Chorion

  • Synonyms for chorion
  • Chorion synonyms not found!!!
  • Antonyms for chorion
  • Chorion antonyms not found!

The word "chorion" in example sentences

Covering the external face of the amnion and lining the inner face of the chorion is a double membrane, _the allantois_. ❋ R. A. Craig (N/A)

On the other hand, the villi on that part of the chorion which is in contact with the decidua placentalis increase greatly in size and complexity, and hence this part is named the chorion frondosum (Fig. 28). ❋ Unknown (1918)

The inter-twin membrane has two layers (amnion-amnion) in monochorionic gestations, which appear thin, versus three layers (amnion-chorion-amnion) in dichorionic gestations. ❋ Unknown (2010)

TRAP occurs when there is a monochoriotic pregnancy in which the fetuses are contained within the same (mono) outer membrane of the sac that surrounds the fetus (the chorion). ❋ Unknown (2010)

Made up of the membranes amnion and chorion that create the sac that surrounds your baby. ❋ Penny Simkin (2010)

The membranes amnion and chorion create the amniotic sac that surrounds your baby. ❋ Penny Simkin (2010)

Some MZ twins, for example, may not share the same placenta and chorion membrane. ❋ Bernard M. Bass (2008)

Traditional methods depended on an assessment of phenotypic resemblance or on the condition of the membranes at birth (twins contained within a single chorion are always MZ, though the converse is not true). ❋ Unknown (2004)

She knelt down beside an unconscious Red Nasat who had lost chunks of his chorion shell. ❋ Scott Ciencin (2003)

Enquiries; for the present investigation it is sufficient to understand this much clearly, that, when the heart has been first formed and the great blood-vessel has been marked off from it, two umbilical cords run from the vessel, the one to the membrane which encloses the yolk, the other to the membrane resembling a chorion which surrounds the whole embryo; this latter runs round on the inside of the membrane of the shell. ❋ Unknown (2002)

In the first place they have not the second umbilicus which runs to the chorion under the surrounding shell. ❋ Unknown (2002)

Between uterus and embryo are the chorion and the membranes. ❋ Unknown (2002)

The second umbilical cord runs to the surrounding chorion. ❋ Unknown (2002)

For the young, if numerous, are attached each to its umbilical cord, and this to the blood-vessel of the mother; they are arranged next to one another along the stream of the blood-vessel as along a canal; and each embryo is enclosed in its membranes and chorion. ❋ Unknown (2002)

Each embryo, as in the case of quadrupeds, is provided with a chorion and separate membranes. ❋ Unknown (2002)

And in some cases membranous envelopes surround the egg, and in other cases the chorion surrounds it. ❋ Unknown (2002)

As the creature grows the umbilicus running the chorion collapses first, because it is here that the young is to come out; what is left of the yolk, and the umbilical cord running to the yolk, collapse later. ❋ Unknown (2002)

Cross Reference for Chorion

What does chorion mean?

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