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gate

n. a device or circuit (e.g., an ion channel or a neural circuit) that controls the passage of a substance or signal. See gate-control theory; gated channel; ligand-gated ion channel; voltage-gated ion channel.

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Psychology term of the day

May 25th 2024

liothyronine

liothyronine

n. a pharmaceutical preparation of L-triiodothyronine, a naturally occurring thyroid hormone, used to treat conditions associated with thyroid deficiency. It is also used as an adjunct to standard antidepressant therapy in the management of depression that has not responded to standard therapy alone. U.S. trade name (among others): Cytomel.