substance P

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substance P

[′səb·stəns ′pē]
(biochemistry)
An undecapeptide widely distributed in the central nervous system and found in highest concentrations in superficial layers of the dorsal horn of the spinal cord, in the trigeminal nerve nucleus, and in the substantia nigra; acts as a neurotransmitter.
References in periodicals archive ?
The future UEx G6 staff includes an O-4, FA53 in TAC1 and an O-3, FA53 in TAC2.
At the time of the development of the modularity design, at a conference at Fort Leavenworth, the G6 was limited to 32 authorized positions as its share of the limited number of positions in the Division Main, Division TAC1 and DTAC2.