substance P
noun Date: 1934 a neuropeptide that consists of 11 amino acid residues, that is present in the nervous system and gastrointestinal tract, that causes the contraction of smooth muscle and dilation of blood vessels, and that acts as a potent neurotransmitter especially in the transmission of signals from pain receptors

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Substance P — Structure et représentation tridimensionnelle de la Substance P …   Wikipédia en Français

  • Substance P — ● Substance P polypeptide de faible masse molaire, présent dans le système nerveux, central et périphérique, et impliqué dans la nociception …   Encyclopédie Universelle

  • substance P — n a neuropeptide that consists of 11 amino acid residues, that is widely distributed in the brain, spinal cord, and peripheral nervous system, and that acts across nerve synapses to produce prolonged postsynaptic excitation * * * a peptide… …   Medical dictionary

  • Substance P — protein Name = tachykinin, precursor 1 caption = Spacefilling model of substance P width = 180 HGNCid = 11517 Symbol = TAC1 AltSymbols = TAC2, NKNA EntrezGene = 6863 OMIM = 162320 RefSeq = NM 003182 UniProt = P20366 PDB = ECnumber = Chromosome =… …   Wikipedia

  • substance P — /sʌbstəns ˈpi/ (say substuhns pee) noun a small peptide released after stimulation of the nervous system of animals and involved in the regulation of the pain threshold. {from the original name standard preparation P, where P stands for powder,… …   Australian English dictionary

  • substance P — a small peptide released upon stimulation in the nervous system and involved in regulation of the pain threshold. [earlier standard preparation P (1931); the initial is unexplained by the substance s discoverers] * * * …   Universalium

  • substance P — A vasoactive intestinal peptide (1348 D) found in the brain, spinal ganglia and intestine of vertebrates. Induces vasodilation, salivation and increases capillary permeability. Sequence: RPKPQFFGLM …   Dictionary of molecular biology

  • substance P — n. biochem. a small peptide released upon stimulation in the nervous system and involved in regulation of the pain threshold …   From formal English to slang

  • substance P — noun : a neuropeptide that consists of a chain of 11 amino acid residues, that is present in the nervous system and gastrointestinal tract, that causes the contraction of smooth muscle and dilation of blood vessels, and that acts as a potent… …   Useful english dictionary

  • SUBSTANCE — Une idée reçue particulièrement tenace occupe le devant de la scène philosophique depuis l’époque du positivisme d’Auguste Comte, c’est à dire depuis plus d’un siècle: l’idée selon laquelle la métaphysique serait morte avec Kant, à la fin du… …   Encyclopédie Universelle

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