Canadian Medical Guide > Chemicals and Drugs > Hormones, Hormone Substitutes, and Hormone Antagonists > Hormones > Peptide Hormones > Peptide PHI Terms and Definitions

Peptide PHI

Medical Definition:	A 27-amino acid peptide with histidine at the N-terminal and isoleucine amide at the C-terminal. The exact amino acid composition of the peptide is species dependent. The peptide is secreted in the intestine, but is found in the nervous system, many organs, and in the majority of peripheral tissues. It has a wide range of biological actions, affecting the cardiovascular, gastrointestinal, respiratory, and central nervous systems.
Guide Notes:	a neurotransmitter; X ref explains PHI; /biosyn /physiol permitted
Also Called:	Human PHI,Porcine Intestinal Heptacosapeptide
Previously Indexed:	Gastrointestinal Hormones (1966-1986),Peptides (1966-1986)

CANADIAN MEDICAL GUIDE

Thank you for visiting Canadian Medical Guide .com