Supraoptic Nucleus (SON)

A nucleus in the hypothalamus containing large neurosecretory neurons that produce vasopressin (ADH) and some oxytocin, which are then released from the posterior pituitary gland.

Key Functions:

• Produces vasopressin (ADH), regulating water balance.
• Produces a smaller amount of oxytocin.
• Involved in osmoregulation and blood pressure control.

Interacting Systems & Components:

• Hypothalamus (located within)
• Pituitary Gland, Posterior (releases hormones produced here)
• Vasopressin (ADH)
• Oxytocin
• Fluid Balance (key regulator)