Pituitary Gland's Median Lobe and MSH

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Questions and Answers

Which lobe of the pituitary gland is not very prominent in humans?

Lateral lobe
Anterior lobe
Posterior lobe
Median lobe (correct)

What hormone does the median lobe of the pituitary gland produce?

Melanocyte stimulating hormone (MSH) (correct)
Growth hormone (GH)
Thyroid stimulating hormone (TSH)
Adrenocorticotropic hormone (ACTH)

What regulates the secretion of MSH?

Hypothalamic MSH inhibitory hormone (correct)
Insulin
Thyroxine
Adrenaline

True or false: The median lobe of the pituitary gland in humans is a thin layer of cells between the anterior and posterior pituitary?

True (A) Signup and view all the answers

True or false: The secretion of Melanocyte Stimulating Hormone (MSH) is regulated by hypothalamic MSH inhibitory hormone?

True (A) Signup and view all the answers

True or false: Melanocyte Stimulating Hormone (MSH) increases in humans during pregnancy?

True (A) Signup and view all the answers

What is the function of the median lobe of the pituitary gland in humans?

It produces melanocyte stimulating hormone (MSH). Signup and view all the answers

What does MSH stimulate in humans?

It stimulates the production and release of melanin by melanocytes in skin and hair. Signup and view all the answers

What regulates the secretion of MSH?

Hypothalamic MSH inhibitory hormone regulates the secretion of MSH. Signup and view all the answers

Melanocyte stimulating hormone (MSH) is produced by the ______

median lobe of the pituitary Signup and view all the answers

The production and release of ______ is stimulated by MSH in humans

melanin Signup and view all the answers

The secretion of MSH is regulated by ______

hypothalamic MSH inhibitory hormone Signup and view all the answers

Match the following hormones with their functions:

Melanocyte Stimulating Hormone (MSH) = Stimulates the production and release of melanin by melanocytes in skin and hair Hypothalamic MSH Inhibitory Hormone = Regulates the secretion of MSH Anterior Pituitary = Does not directly produce MSH Posterior Pituitary = Does not directly produce MSH Signup and view all the answers

Match the following pituitary lobes with their descriptions:

Anterior Pituitary = Not directly involved in the production of MSH Posterior Pituitary = Not directly involved in the production of MSH Median Lobe = A thin layer of cells between the anterior and posterior pituitary Lateral Lobes = Not mentioned in the text Signup and view all the answers

Match the following terms with their definitions:

Melanocyte Stimulating Hormone (MSH) = A hormone that increases in humans during pregnancy and stimulates the production and release of melanin by melanocytes in skin and hair Hypothalamic MSH Inhibitory Hormone = A hormone that regulates the secretion of MSH Anterior Pituitary = A part of the pituitary gland that does not directly produce MSH Posterior Pituitary = A part of the pituitary gland that does not directly produce MSH Signup and view all the answers

Which of the following is true about the median lobe of the pituitary gland in humans?

It is regulated by hypothalamic MSH inhibitory hormone. (C) Signup and view all the answers

What is the function of melanocyte stimulating hormone (MSH) in humans?

It stimulates the production and release of melanin by melanocytes in skin and hair. (A) Signup and view all the answers

What regulates the secretion of melanocyte stimulating hormone (MSH)?

The hypothalamic MSH inhibitory hormone. (D) Signup and view all the answers

True or false: The median lobe of the pituitary gland in humans is a thin layer of cells between the anterior and posterior pituitary?

True (A) Signup and view all the answers

True or false: Melanocyte Stimulating Hormone (MSH) increases in humans during pregnancy?

True (A) Signup and view all the answers

True or false: The secretion of Melanocyte Stimulating Hormone (MSH) is regulated by hypothalamic MSH inhibitory hormone?

False (B) Signup and view all the answers

What is the role of the median lobe of the pituitary gland in humans?

The median lobe of the pituitary gland in humans is not very prominent and serves as a thin layer of cells between the anterior and posterior pituitary. Signup and view all the answers

What regulates the secretion of Melanocyte Stimulating Hormone (MSH)?

The secretion of MSH is regulated by hypothalamic MSH inhibitory hormone. Signup and view all the answers

What is the function of Melanocyte Stimulating Hormone (MSH) in humans?

MSH stimulates the production and release of melanin by melanocytes in the skin and hair. Signup and view all the answers

Study Notes

Pituitary Gland

Median lobe of pituitary gland is not very prominent in humans
It is a thin layer of cells between the anterior and posterior pituitary
It produces Melanocyte Stimulating Hormone (MSH)

Regulation of MSH

Secretion of MSH is regulated by hypothalamic MSH inhibitory hormone

Effects of MSH

MSH stimulates the production and release of melanin by melanocytes in skin and hair
MSH levels increase in humans during pregnancy

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Description

Test your knowledge of the pituitary gland's median lobe and its function in producing melanocyte stimulating hormone (MSH). Explore how MSH secretion is regulated and its role in stimulating melanin production in the skin.