thrombocytin


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ser·o·to·nin

(ser'ō-tō'nin),
A vasoconstrictor, liberated by blood platelets, that inhibits gastric secretion and stimulates smooth muscle; present in relatively high concentrations in some areas of the central nervous system (hypothalamus, basal ganglia), and occurring in many peripheral tissues and cells and in carcinoid tumors.
[sero- + G. tonos, tone, tension, + -in]

ser·o·to·nin

(ser'ŏ-tō'nin)
A vasoconstrictor, liberated by platelets; inhibits gastric secretion and stimulates smooth muscle; also acts as a neurotransmitter; present in the central nervous system, many peripheral tissues and cells, and carcinoid tumors.
Synonym(s): 5-hydroxytryptamine.
[L. serum + G. tonos, tone, tension, + -in]

thrombocytin (throm´bōsī´tin),