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Intermediate lobe of pituitary secretes ...

Intermediate lobe of pituitary secretes a hormone

A

Oxytocin

B

Melanocyte stimulating hormone

C

Corticotropin releasing hormone

D

Thyrotropin releasing hormone.

Text Solution

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The correct Answer is:
To answer the question regarding which hormone is secreted by the intermediate lobe of the pituitary gland, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Intermediate Lobe**: The intermediate lobe of the pituitary gland is also known as the pars intermedia. It is a part of the adenohypophysis (anterior pituitary). 2. **Understand the Function of the Intermediate Lobe**: The primary function of the intermediate lobe is to secrete hormones that influence pigmentation and other physiological processes. 3. **List the Hormones Provided in the Options**: - Oxytocin - Melanocyte Stimulating Hormone (MSH) - Corticotropin Releasing Hormone (CRH) - Thyrotropin Releasing Hormone (TRH) 4. **Determine Which Hormone is Secreted by the Intermediate Lobe**: - Oxytocin is produced in the posterior pituitary, not the intermediate lobe. - Corticotropin Releasing Hormone (CRH) and Thyrotropin Releasing Hormone (TRH) are produced in the hypothalamus. - Melanocyte Stimulating Hormone (MSH) is indeed secreted by the intermediate lobe (pars intermedia) and is responsible for stimulating the production of melanin in the skin. 5. **Conclude the Correct Answer**: Based on the above analysis, the hormone secreted by the intermediate lobe of the pituitary gland is Melanocyte Stimulating Hormone (MSH). ### Final Answer: The intermediate lobe of the pituitary gland secretes Melanocyte Stimulating Hormone (MSH). ---
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