PROLACTIN By N., Sam M.S. - 6 Prolactin is a hormone secreted by the pituitary gland. It is responsible for milk secretion in the mammary glands. Also known as lactogenic hormone or luteo-tropic hormone. PROLACTIN: "After giving birth, Alicia's prolactin levels increased." Related Psychology Terms EFFECTORS NURSING BEHAVIOR BIRTH ADJUSTMENTS MENTAL RETARDATION (CAUSES) PITUITARY GLAND NEWBORN INFANT (Neonate) TROPIC HORMONE (TROPHIC HORMONE) ANTERIOR PITUITARY HORMONE SOMATOSTATIN ADRENAL GLANDS Cite this page: N., Sam M.S., "PROLACTIN," in PsychologyDictionary.org, April 28, 2013, https://psychologydictionary.org/prolactin/ (accessed October 5, 2022).