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Describe any four hormones secreted by Adenohypophysis. - Biology

Long Answer

Describe any four hormones secreted by Adenohypophysis. 

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Solution

i). Somatotropic Hormone (STH) / Somatotropin / Growth Hormone (GH): Secretion of GH is high till puberty later its secretion becomes low. However, it is continuously secreted throughout life for repair and replacement of body tissue or cells.

Functions: 

  1. It stimulates growth of the body and development of all tissues.
  2. It accelerates protein synthesis and cell division. 
  3. It stimulates the release of growth hormone.

ii). Thyroid Stimulating Hormone (TSH) / Thyrotropin:

Function: It stimulates thyroid gland to produce hormone thyroxine.

iii). Adrenocorticotropic Hormone (ACTH) / Adrenocorticotropin:

Functions:

  1. It stimulates adrenal cortex to produce its hormones. 
  2. It maintains functioning of adrenal cortex. 

iv). Prolactin / Luteotropin/ Mammotropin: Secretion of this hormone is regulated by PIF (Prolactin inhibiting factor) of hypothalamus.

Functions:

  1. Activates the growth of mammary glands during pregnancy (mammotropin).
  2. Stimulates milk production and secretion of milk (lactogenic) by mammary gland after child birth.
Concept: Pituitary Gland Or Hypophysis Gland
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