After transcription initiation, Pol II is paused 30 nucleotides downstream from the initiation site, recruits of the capping enzymes.

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#Unit 7. System Physiology – Animal

Important neuronal area in controlling osmolarity and ADH secretion is located along AV3V region 

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#Unit 7. System Physiology – Animal

In AV3V region, two structures called osmoreceptors:

subfornical organ

organum vasculosum

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#Unit 7. System Physiology – Animal

The anterior pituitary secretes six peptide hormones: 

TSH, FSH, LH, GH, prolactin, & ACTH

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#Unit 7. System Physiology – Animal

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#Unit 7. System Physiology – Animal

Thyrotropin-releasing hormone (TRH) 

Tripeptide

Stimulates secretion of TSH by thyrotropes

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#Unit 7. System Physiology – Animal

Corticotropin-releasing hormone (CRH) 

Stimulates secretion of ACTH by corticotropes