Final answer:
Prolactin is secreted by the anterior lobe of the pituitary gland and is involved in milk production and reproductive functions.
Step-by-step explanation:
The hormone prolactin is secreted by the anterior lobe of the pituitary gland. The pituitary gland, also known as the 'master gland', is responsible for regulating various functions in the body. Prolactin plays a vital role in the production of milk in mammals, as well as in reproductive functions and behavior.
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