🧬ap biology review

Oxytocin

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Oxytocin is a hormone produced in the hypothalamus and secreted by the pituitary gland. It plays a significant role in childbirth, breastfeeding, and social bonding.