Examlex
Which of the following lymphoid organs is largest during a person's childhood but shrinks in adulthood?
Neural Crest Cells
Embryonic cells that give rise to a diverse range of cell types, including neurons, glial cells, and melanocytes.
Tropic Hormone
A type of hormone that primarily affects the function of endocrine glands and regulates the secretion of other hormones.
Target Tissues
Specific tissues or cells in the body that are affected by hormones, drugs, or other active substances.
Hormone Secretion
The process by which hormones are released by glands and then enter the bloodstream to reach target organs.
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