Which hormone is released from the posterior pituitary and causes uterine contraction during parturition?
Correct answer: D. Oxytocin
- A. Prolactin
- B. Cortisol
- C. Follicle-stimulating hormone
- D. Oxytocin
Explanation
Oxytocin from the posterior pituitary stimulates uterine smooth muscle contraction and also supports milk let-down. Prolactin promotes milk production, while follicle-stimulating hormone acts mainly on the gonads.
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Covers the gross and microscopic structure of domestic animals, including bones, joints, muscles, organs, blood vessels and nerves. It explains how the respiratory, cardiovascular, digestive, urinary, nervous, endocrine and reproductive systems function, with attention to species differences and the relationship between anatomical structure and physiological processes.
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