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The Crowding-Out Effect Is the Tendency for

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The crowding-out effect is the tendency for


Definitions:

Human Embryo

A human embryo is an early stage of human development, following fertilization and preceding the fetal stage, during which all major organs and structures begin to form.

Chorion

The outermost membrane surrounding an embryo of a reptile, bird, or mammal (in humans, it contributes to the formation of the placenta).

Extraembryonic Membrane

Membranes that are not part of the embryo but provide crucial support functions, such as nutrition and waste removal, during development in the womb.

Blastopore

The opening of the central cavity of an embryo in the early stage of development, which can develop into the mouth or anus in different animals.

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