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The placenta is the nourishing membrane around a fetus that grows from the inside of the mom's uterus. Your answer is, ". . . the mom . . ."
cell membrane is the outermost part of animal cell
membrane or plasma membrane.
The cell membrane.
sclera
Fibrous pericardium
Fibrous Pericardium
Plasma membrane or cell membrane
The dura mater is the outermost membrane of the brain and spinal cord. The dura mater is is responsible for keeping in the cerebrospinal fluid.
The Chorion
Neurilemma
neurilemma