383_2013_sbarra_lecture 5_posted (1)

Claude bernard 1813 1878 prof of physiology at the

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Unformatted text preview: adaptation. Claude Bernard, (1813-1878, Prof. of Physiology at the Collège de France, Paris), suggests that the equilibrium or steady state of the “milieu intérieur” is to remain constant to allow for optimal function and survival. Overview of Stress Response Overview Sympathetic-adrenomedullary (SAM) (SAM) Stress Stress Hypothalamus Hypothalamus Sympathetic Nervous System Nervous Adrenal Medulla Sympathetic-adrenomedullary (SAM) (SAM) Adrenal Medulla Catecholamines : 1) Norepinepherine 1) Norepinepherine a) Primarily secreted by SNS nerve endings endings b) Has same effects in blood as SNS 2) Epinepherine (adrenaline) 2) Epinepherine a) Primarily secreted by adrenal glands b) Similar to above, but more heartspecific Sympathetic-adrenomedullary (SAM) (SAM) Effects Increases heart rate and blood pressure Increases respiration Blood is diverted to muscles Digestion slows down Pupils dilate Hypothalamic-pituitaryHypothalamic-pituitaryadrenocortical (HPA) Stress Hypothalamus (CRF) (CRF) Pituitary Gland (ACTH) Adrenal Cortex Hypothalamic-pituitaryHypothalamic-pituitaryadrenocortical (HPA) Hypothalamic-pituitaryHypothalamic-pituitary...
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This note was uploaded on 10/14/2013 for the course PSIO 201 taught by Professor Stanescu during the Fall '08 term at Arizona.

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