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Why is cannabis considered a hallucinogen?
Ectoderm
The outermost layer of cells or tissue of an embryo in early development, from which the skin, brain, and nervous system develop.
Mesoderm
The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.
Germinal Period
The initial two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.
Blastocyst
An early stage of embryonic development that consists of a sphere of cells surrounding a fluid-filled cavity.
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