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Definition of substance P in English: substance Pnoun mass nounBiochemistry A compound thought to be involved in the synaptic transmission of pain and other nerve impulses. It is a polypeptide with eleven amino-acid residues. Example sentencesExamples - A variety of possible neurotransmitters were examined, including acetylcholine, dopamine, and substance P, but unequivocal identification of key transmitters eluded investigators.
- When sensory nerve cells are activated, calcium levels inside these cells rise and the neuropeptides, such as substance P and calcitonin gene related peptide are released.
- It's thought that this burning depletes nerve cells of a chemical called substance P, which has a role in transmitting pain messages.
- The heady mixture of sleep deprivation, adrenaline, and substance P plus or minus caffeine makes for a euphoric, addictive cocktail.
- Most types of asthma involve inflammation, with release of chemical mediators like histamine, bradykinin, and substance P, which diffuse to the smooth muscle and make it contract.
Definition of substance P in US English: substance Pnoun Biochemistry A compound thought to be involved in the synaptic transmission of pain and other nerve impulses. It is a polypeptide with eleven amino-acid residues. Example sentencesExamples - When sensory nerve cells are activated, calcium levels inside these cells rise and the neuropeptides, such as substance P and calcitonin gene related peptide are released.
- It's thought that this burning depletes nerve cells of a chemical called substance P, which has a role in transmitting pain messages.
- A variety of possible neurotransmitters were examined, including acetylcholine, dopamine, and substance P, but unequivocal identification of key transmitters eluded investigators.
- The heady mixture of sleep deprivation, adrenaline, and substance P plus or minus caffeine makes for a euphoric, addictive cocktail.
- Most types of asthma involve inflammation, with release of chemical mediators like histamine, bradykinin, and substance P, which diffuse to the smooth muscle and make it contract.
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