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Résumé Catécholamines , cours de physiologie

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Ce document présente un résumé détaillé du chapitre consacré aux catécholamines, hormones sécrétées par la médullosurrénale. Il aborde leur biosynthèse, leur stockage, leur libération et leur mode d’action via les récepteurs adrénergiques. Les effets physiologiques, métaboliques et hormonaux des catécholamines sont expliqués, ainsi que leur rôle dans la réponse au stress et leur régulation. Le document inclut également la description du catabolisme, des explorations biologiques associées et des aspects physiopathologiques (comme le phéochromocytome et le neuroblastome).

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Les catécholamines :
hormones de la médullosurrénale

,Les glandes surrénales

, Neurotransmetteurs du SNA

Neurofibres cholinergiques : ACETYLCHOLINE
•Axones pré ganglionnaires (ganglion végétatif)
•Axones post ganglionnaires parasympathiques
Neurofibres adrénergiques :CATECHOLAMINES
•Axones post ganglionnaires sympathiques
Exceptions : fibres post ganglionnaires sympathiques cholinergiques

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Institution: Medical Surgical Nursing
Course: Medical Surgical Nursing

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Uploaded on: September 9, 2025
Number of pages: 26
Written in: 2025/2026
Type: SUMMARY

Subjects

catécholamines
adrénaline
noradrénaline
dopamine
médullosurrénale
biosynthèse
métabolisme
réponse au stress
phéochromocytome
neuroblastome
récepteurs adrénergiques

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Résumé Catécholamines , cours de physiologie

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