Tiana Harvey~Embryonic Padlet by Tiana Harvey

Zygote

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Fertilised egg

HCG

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Human chorionic gonadotropic hormone- Maintains the Corpus Luteum

Ectoderm

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NS, brain, teeth and mouth, skin, hair etc

Mesoderm

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Forms muscle, bone, blood, reproductive structures, connective tissue,etc.

Germ Layers

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Three primary cell layers, formed in the earliest stages of embryonic development

Extra-embryonic membrane

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Consist of the chorion (the combination of trophoblast plus underlying extraembryonic mesoderm), amnion, yolk sac, and allantois

Blastocyst

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A cluster of dividing cells made by an egg.

Allantois

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An extra-embryonic membrane of reptiles, birds, and mammals arising as a pouch, or sac, from the hindgut

Inner Call Mass

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A structure on the early development of cell growth.

Amnion

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A membrane forming a fluid-filled cavity (the amniotic sac) that encloses the embryo

Chorion

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the outermost membrane around the embryo

Yolk sac

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A structure that develops inside your uterus during early pregnancy.

Gastrula

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an embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells.

Embryo development

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A process by which a fertilized egg develops into an embryo.

Placenta

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Temporary organ that forms in your uterus during pregnancy.

Morula

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Solid mass of blastomeres resulting from a number of cleavages of a zygote, or fertilized egg.

Umbilical cord

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A tube that connects you to your baby during pregnancy.

Fertilization

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the action or process of fertilizing an egg, female animal, or plant, involving the fusion of male and female gametes to form a Zygote.

Gastrulation

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Gastrulation is an early developmental process in which an embryo transforms from a one-dimensional layer of epithelial cells.

Morphogenesis

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Morphogenesis, is the shaping of an organism by embryological processes of differentiation of cells, tissues, and organs.

Differentiation

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the process where less specialized cells undergo changes to develop specialized structures and functions.

Implantation

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The process by which the embryo attaches to the endometrial surface.

Cleavage

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A series of mitotic divisions whereby the enormous volume of egg cytoplasm is divided into numerous smaller, nucleated cells.

Totipotent

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An isolated cell that is able to produce a fertile adult individual.

Pluripotent

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Capable of developing into differentiated cells.

Multipotent

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Can develop into more than one cell type, but are more limited than pluripotent cells.

Endoderm

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Germ layer that forms the linings of the respiratory and gastrointestinal tracts, and their associated organs.