What is a good definition of a tropic hormone?

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dano7744 | College Teacher | (Level 2) Educator

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A tropic hormone is a hormone that stimulates an endocrine gland to grow and secrete it's hormones.(One hormone causes another hormone to do something) In humans, tropic hormones are secreted by the adenohypophysis(anterior pituitary gland).

A few examples of tropic hormones are follicle stimulating hormone(FSH) which helps the female ovaries to mature and ovulate (release an egg).

Adrenocorticotropic hormone(ACTH) which stimulates the adrenal cortex to secrete cortisol.

Thyroid stimulating hormone(TSH)  which stimulates the thyroid gland to secrete thyroid hormones.

 

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giorgiana1976 | College Teacher | (Level 3) Valedictorian

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The anterior pituitary, namely adenohypophysis, is the anterior lobe of the pituitary gland which produces and secrets tropic hormones that are regulating the function of other endocrine organs.

From all 6 adenohypophysis hormones, 4 are tropic hormones.

The 4 tropic hormones are:

1) TSH or thyrotropin, which has the role of stimulating the thyroid gland to produce and secret the thyroid hormones.

2) LH, which is essential for reproduction because it's stimulating the emission of steroid hormones in ovary and testes.

3) ACTH or corticotropin which regulates the metabolism of glucose

4) FSH regulates the pubertal maturation. 

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