Signals Carried by Hormones Must Eventually Be Terminated; the Response

question 64

Essay

Signals carried by hormones must eventually be terminated; the response continues for a limited time. Discuss three different mechanisms for signal termination, using specific systems as examples.

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Definitions:

Arcuate Nucleus

A nucleus located in the hypothalamus that plays a crucial role in appetite regulation and other neuroendocrine functions.

Hypothalamus

This brain section, found below the thalamus, plays a key role in directing the operations of the autonomic nervous system and the pituitary gland's output, ensuring the regulation of crucial bodily processes including temperature, thirst, hunger, and the balance of bodily systems.

Serotonin

A neurotransmitter in the brain that affects mood, emotion, sleep, and appetite.

Hormone

Biological chemicals released by glands that regulate bodily functions and behavior by acting on specific target organs.