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chorion

XDict

n. 绒毛膜,浆膜,蛋壳

PyDict

绒毛膜,浆膜,蛋壳

WordNet (r) 3.0 (2006) (WordNet)

chorion
n 1: the outermost membranous sac enclosing the embryo in higher
vertebrates (reptiles, birds and mammals)

The Collaborative International Dictionary of English v.0.48 (gcide)

Chorion \Cho"ri*on\, n. [NL., fr. Gr. ?.]
1. (Anat.)
(a) The outer membrane which invests the fetus in the
womb; also, the similar membrane investing many ova at
certain stages of development.
(b) The true skin, or cutis.
[1913 Webster]

2. (Bot.) The outer membrane of seeds of plants.
[1913 Webster]

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Chorion - Wikipedia
The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes) It is also present around the embryo of other animals, like insects and molluscs
Chorion: Anatomy and function | Kenhub
The chorion is the outermost of the four membranes surrounding the developing fetus, consisting of trophoblast and underlying extraembryonic mesoderm It is continuous with the lining of the uterine wall (endometrium) superficially and is in contact with the amnion deep to it
Chorion | Fetal Membrane, Placental Development Maternal-Fetal . . .
chorion, in reptiles, birds, and mammals, the outermost membrane around the embryo It develops from an outer fold on the surface of the yolk sac In insects the chorion is the outer shell of the insect egg
Chorion - Definition and Examples - Biology Online Dictionary
The chorion is the outermost membrane that surrounds the developing embryo, while the amnion is a fluid-filled sac that surrounds the embryo and helps to protect it from mechanical shock and dehydration
What Is the Chorion and What Is Its Function? - Biology Insights
The fully developed chorion is the fetal component of the placenta, acting as the primary site for the transfer of gases, nutrients, and waste products between the maternal and fetal bloodstreams
Difference Between Amnion and Chorion
The chorion, on the other hand, is the outer membrane that surrounds the amnion, the embryo, and other membranes and entities in the womb It is considered as the support platform of the fetus and the amnion
Chorioamnionitis: Causes, Symptoms, Diagnosis Treatment
What is chorioamnionitis? Chorioamnionitis (intra-amniotic infection) is a serious infection that affects a person during pregnancy It gets its name from the two membranes that surround a fetus in your uterus: the chorion and the amnion
CHORION Definition Meaning - Merriam-Webster
The meaning of CHORION is the highly vascular outer embryonic membrane of reptiles, birds, and mammals that in placental mammals is associated with the allantois in the formation of the placenta
Chorion - Definition, Explanation Function | Biology Dictionary
The chorion is one of the membranes that surround the fetus while it is still being formed In mammals, the fetus lies in the amniotic sac, which is formed by the chorion and the amnion and separates the embryo from the mother’s endometrium
Chorion - an overview | ScienceDirect Topics
About two-thirds of identical twins have the same chorion (and thus are called monochorionic monozygotic twins), and about one-third have their own chorion (and thus are called dichorionic monozygotic twins)

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