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estradiol

n. a naturally occurring steroid hormone that is the most potent of the estrogens. It is secreted mainly by the ovary but also by the placenta and testes.

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Psychology term of the day

January 21st 2025

vivisection

vivisection

n. dissection performed on a living animal for research or experimental purposes. Many scientists and researchers oppose the practice, questioning its scientific validity and necessity, and numerous others criticize it as inhumane and unethical. See also animal care and use; animal rights.