Lecture 18 11-08-10

Lecture 18 11-08-10 - Lecture 18 Lecture 18 Pituitary Gland...

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Unformatted text preview: Lecture 18 Lecture 18 Pituitary Gland Pituitary Gland Stress Response Stress Response Control of Movement Control of Movement 8 November 2010 8 November 2010 Vertebrate CNS Hypothalamus and Posterior Pituitary Vertebrate Pituitary Gland Vertebrate Pituitary Gland Anterior Pituitary Posterior Pituitary Vertebrate Pituitary Gland Posterior pituitary secretes oxytocin and antidiuretic hormone (ADH). Oxytocin and ADH are produced in the paraventricular and supraoptic nuclei Vertebrate Pituitary Gland ecretory activity of the anterior pituitary is controlled by hypothalamic releasing hormones (or releasing factors) and release- inhibiting hormones . Hormones of the anterior pituitary are peptides or glycoproteins . Some (GH, PRL, MSH) influence non-endocrine tissues. Others (TSH, ACTH, GnRH), called tropins , influence endocrine glands. Vertebrate Pituitary Gland Vertebrate Pituitary Gland TRH (TSH releasing hormone*) CRH (corticotropin releasing hormone) GHRH (growth hormone releasing hormone) and GHIH * TSHRH is the same as TRH Vertebrate Pituitary Gland RH (prolactin releasing ormone) and dopamine (PIH) GnRH (gonadotropin releasing hormone) Long-loop negative feedback Short-loop negative feedback ypothalamo-Pituitary-Adrenal (HPA) Axis Analogous mechanisms for...
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This note was uploaded on 04/03/2011 for the course BIO 704:360 taught by Professor John-alder during the Fall '11 term at Rutgers.

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Lecture 18 11-08-10 - Lecture 18 Lecture 18 Pituitary Gland...

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