terminal (ter´mi-nal)

1. Relating to the end; final. 2. Relating to the extremity or end of any body; e.g., the end of a biopolymer. 3. A termination, extremity, end, or ending. [L. terminus, a boundary, limit]
amino t. See amino-terminal.
axon t.'s the somewhat enlarged, often club-shaped endings by which axons make synaptic contacts with other nerve cells or with effector cells (muscle or gland cells). As isolated, by homogenizing brain or spinal cord, they contain acetylcholine and the related enzymes. T.'s contain neurotransmitters of various kinds, sometimes more than one. These can be demonstrated by chemical analysis and immunocytochemical methods. See also synapse.axonal terminal boutons, end-feet, neuropodia, pieds terminaux, synaptic boutons, synaptic endings, synaptic t.'s, terminal boutons, bouton terminaux;
carboxy t. See C-terminus.
synaptic t.'s axon t.'s


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