chorion definition

  • noun:
    • The outer membrane layer enclosing the embryo in reptiles, birds, and mammals. In placental animals it contributes to the development of the placenta.
    • The safety and nutritive membrane in higher vertebrates that connects the fetus toward uterus.
    • The exterior situation of an insect egg.
    • The exterior membrane of seeds of flowers.
    • The outer membrane layer which invests the fetus when you look at the uterus; additionally, the comparable membrane layer spending many ova at particular phases of development.
    • The true epidermis, or cutis.
    • The external membrane layer of seeds of plants.
    • In structure, the outermost fetal envelop; the exterior membrane which invests the embryo, forming into the greater vertebrates the external layer of case of oceans, and leading to the synthesis of the placenta.
    • By example — The membrana putaminis or egg-pod of these eggs which have calcareous shells.
    • The additional financial investment of ovum of an insect, produced from the epithelial layer of oviduct.
    • Same as corium.
    • In botany, the pulpy matter which fills the young ovule and it is absorbed during development.
    • the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and animals)
    • The exterior membrane layer enclosing the embryo in reptiles, birds, and mammals. In placental mammals it plays a role in the introduction of the placenta.
    • The safety and nutritive membrane in higher vertebrates that connects the fetus into womb.
    • The exterior instance of an insect egg.
    • The exterior membrane of seeds of plants.
    • The outer membrane layer which invests the fetus into the womb; also, the similar membrane layer trading many ova at specific stages of development.
    • the real skin, or cutis.
    • The outer membrane of seeds of flowers.
    • In physiology, the outermost fetal envelop; the external membrane layer which invests the embryo, developing when you look at the greater vertebrates the exterior layer for the bag of waters, and contributing to the formation of the placenta.
    • By example — The membrana putaminis or egg-pod of the eggs which may have calcareous shells.
    • The additional investment of this ovum of an insect, derived from the epithelial layer for the oviduct.
    • identical to corium.
    • In botany, the pulpy matter which fills the young ovule and it is consumed during development.
    • the outermost membranous sac enclosing the embryo in higher vertebrates (reptiles, birds and mammals)

Related Sources

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