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Two similar hormonal oligopeptides: oxytocin and vasopressin

Formulas

Oxytocin

Vasopressin

Importance

- Oxytocin :

It is made by the hypothalamic-pituitary complex. It regulates the processes of sexual reproduction in women.

- Vasopressin :

It is made by the hypothalamic-pituitary complex. It has the main effects of contracting the arterial blood vessels which increases the arterial pressure, but also to act on the kidneys by promoting the retention of water by reabsorption of it.