Examlex
The people who live in areas where volcanic eruptions are fairly common may be at increased risk for developing a vitamin deficiency Which vitamin might be a public health concern in these areas and why?
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.
Blastocoel
The fluid-filled cavity that forms inside the blastula, an early stage in the embryonic development of animals.
Capacitation
A physiological change that sperm undergo to gain the ability to penetrate and fertilize an egg.
Allantois
An extra-embryonic membrane in birds, reptiles, and mammals that is involved in gas exchange and waste removal.
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