The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
About Oxytocin Hormone
|
Structure
|
Function
|
- polypeptide hormone 9 amino acids
- first peptide hormone to be sequenced and synthesized (1953).
- single gene arose by duplication of vasopressin gene
- vasopressin is 9 amino acid hormone constricts blood vessels and retain body water.
- hormone degraded by GIT.
- hormone cannot pass the blood-brain barrier.
|
- Birth - increase in uterine muscle tone and strength of contractions.
- Lactation - hormone released in response to the baby suckling.
- stimulates contraction of muscle cells around mammary glands.
- neural effects
|
Links: Birth | Hypothalamus | Endocrine | Mammary Gland | Milk | image - Oxytocin receptor pathways
|