Melanocyte-stimulating hormone (MSH) is secreted by the human pars intermedia
A) in old age.
B) in very young children.
C) in times of stress.
D) in healthy adults.
E) all of the above

Question

Quizplus · Accepted Answer

In humans, the pars intermedia is most active in very young children, where it secretes melanocyte-stimulating hormone (MSH). In adults, the pars intermedia is often vestigial and not significantly active.

Melanocyte-Stimulating Hormone (MSH) Is Secreted by the Human Pars Intermedia