The Ames test uses a strain of S. typhimurium that is mutant for the operon responsible for the biosynthesis of the amino acid histidine.

TLS Online TPP Program

#Id: 1236

#Unit 7. System Physiology – Animal

Thyrotropin-releasing hormone (TRH) Tripeptide stimulates secretion of TSH by thyrotropes

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#Id: 1237

#Unit 7. System Physiology – Animal

TSH(thyrotropin)   Controls the secretion rate of thyroxine and triiodothyronine by the thyroid gland.

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#Id: 1238

#Unit 7. System Physiology – Animal

Corticotropin-releasing hormone (CRH) stimulates secretion of ACTH by corticotropes.

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#Id: 1239

#Unit 7. System Physiology – Animal

ACTH (corticotropin) controls the secretion of cortisol by the activation of adenylyl cyclase via Galpha s.

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#Id: 1240

#Unit 7. System Physiology – Animal

The ACTH family is derived from a single precursor, pro-opiomelanocortin (POMC).

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#Id: 1241

#Unit 7. System Physiology – Animal

Lactotropes -Prolactin (PRL)  promotes mammary gland development and milk production.