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Lactation

Easybiology

Prolactin primarily stimulates:

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About This Question

Subject
biology
Chapter
reproduction
Topic
lactation
Difficulty
Easy
Year
2025
Tags
LactationHormones

Solution

Correct Answer:

Milk synthesis

  1. Lactation Hormones: Two main pituitary hormones control breastfeeding.
  2. Prolactin: Produced by the anterior pituitary. It primarily stimulates the mammary gland alveolar cells to synthesize and produce milk.
  3. Oxytocin: Produced by the hypothalamus (released by posterior pituitary). It triggers the contraction of myoepithelial cells, leading to milk ejection (the 'let-down' reflex) in response to suckling.
  4. Mnemonic: Prolactin = Production; Oxytocin = Out (ejection).

This easy difficulty biology question is from the chapter reproduction, covering the topic of lactation. It appeared in the 2025 exam.

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