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What is Half life biological of oxytocin: and explain in detail?
Oxytocin

It is a nonapeptide (Peptide of nine amino acids).
Released by posterior pituitary and synthesized in the supra optic and paraventricular nucleus of hypothalamus.
Half life 3–4 minutes.
Duration of action – 20 minutes.
Mechanism of action – Acts through calcium mediated channels to initiate myometrial contractions.