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Samenvatting schema's hormonen fysiologie $8.02
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Samenvatting schema's hormonen fysiologie

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Dit is een schema/samenvatting van alle hormonen die je moet kennen voor fysiologie. Dit vak word gegeven in het 1e jaar voedings- en dieetkunde op Gasthuisberg (UCLL).

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  • February 16, 2022
  • 6
  • 2019/2020
  • Summary
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ADH OXT TSH ACTH hGH
= anti = oxyctocine = thyreoid = adrenocorticotroop = groeihormoon
dieuretisch stimulerend hormoon = somatotropine
hormoon hormoon = corticotropine
= threotropine

Plaats van Hypotalamus Hypotalamus Adenohypofyse Adenohypofyse Adenohyposfyse
productie
Plaats van Neurohypofyse Neurohypofyse Adenohypofyse Adenohypofyse Adenohypofyse
vrijzetting
Ca2+ afhankelijke Ca2+ afhankelijke
exocytose exocytose

Onder invloed Toename osmolariteit Hormonen: Thyreotropine- Corticotropine-releasing Groeihormoon-releasing
van... progesteron ↓ releasing hormoon hormoon (CRH) hormoon (GH-RH)
daling ciculerend oestrogeen ↑ (TRH)
bloedvolume Stress Schildklierhormoon
prikkeling tastsensor
rond tepel Inhibitie door vrijzetting door
groeihormoon inhiberende
hormoon (GH-IH)

Plaats van de cellen v/d distale gladde spiercellen cellen van bijnierschors Alle lichaamsdelen
receptor tubulus baarmoeder schildklierfollikes (= serpentinereceptroren)

Op celmembraan verzamelbuis nier myo-epitheliale cellen
v/d... melkklieren

Werkings- peptidehormoon: peptidehormoon: peptidehormoon Peptidehormoon Peptidehormoon:
mechanisme nonapeptide nonapeptide, 2AZ Verschillende enzymcascades

, verschillend van ADH

activeren G-proteïne: activeren G-proteïne:
productie second productie second activering G-proteïne: activering G-proteïne:
messenger messenger productie second Productie second
messenger messenger

Effect Toename H2O kanalen - contractie baarmoeder Vrijzetting bijnierschors- Lichaamsgroei
> Permeabiliteit ↑ hormonen, cortisol en
-> resorptie H2O uit uitdrijving melk aldosteron Invloed metabolisme:
tubuli - Opname AZ ↑
naweeën - Glycogeen ↓
- C glucose ↑
(mannen: zaadleider - Afbraak opgeslagen vetten en
en prostaatklier) vrijzetting VZ

Stimuleert weefselgroei
(somatomedines)

Regulatie van snelle vrijzetting Negatieve feedback Negatieve feedback door 50% is gebonden aan
concentratie van T3 en T4 op cortisol transporteiwit in bloedbaan
niet gebonden aan vrijzetting van TSH en
plasma-eiwitten TRH In rust weinig variatie
-> snel effect
Stijging in stress situaties:
cortisol ↑


PRL T3 en T4 Cortisol Aldosteron Insuline
= prolactine = trijoodthyronine (T3)

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