Examlex
In the U.S., universities are indispensable parts of the same system as the military, corporations, and government agencies.
Embryonic Period
The period that extends from the time the organism becomes attached to the uterus until the end of the 8th week of pregnancy, when all the major organs have taken primitive shape.
Cell's Environment
The surrounding conditions and factors that interact with and influence a cell's function and survival.
Genes
The segments on a DNA molecule that act as hereditary blueprints for the organism’s development.
Umbilical Cord
A flexible helical structure containing blood vessels that connects the developing organism to the placenta.
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