100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Samenvatting Fysiologie: Hoofdstuk 4 (Het hormoonstelsel) $3.25   Add to cart

Summary

Samenvatting Fysiologie: Hoofdstuk 4 (Het hormoonstelsel)

 97 views  0 purchase
  • Course
  • Institution

Samenvatting van hoofdstuk 4 (Het hormoonstelsel) van fysiologie (opleiding: psychologie, UGent). De documenten die hierop volgen zijn: - Fysiologie: Hoofdstuk 5 (Voortplantingsstelsel) - Fysiologie: Hoofdstuk 6 (Cardio-respiratoir systeem)

Preview 2 out of 11  pages

  • January 15, 2018
  • 11
  • 2016/2017
  • Summary
avatar-seller
Hoofdstuk 4: Het hormoonstelsel
1. WERKINGSPRINCIPE VAN HORMONEN
 via neuraal systeem: zeer snel en zeer specifiek
via hormoonsysteem: brede/algemene boodschap
 endocriene klieren scheiden chemische stof uit in bloed
o maar slechts enkele cellen hebben receptor voor boodschapper
 opm: exocriene klieren scheiden iets uit in buitenwereld (≠ bloedbanen)




2. CHEMISCHE STRUCTUUR VAN HORMONEN
 twee groepen
o hydrofiele hormonen: kunnen niet door plasmamembraan
 werken via metabotrope receptoren
 G­proteïne en tweede boodschapper
o lipofiele hormonen: kunnen door plasmamembraan

,  drie categorieën
o




peptidehormonen
 grootste groep hormonen
 hydrofiele aminozuurketens
 vb: ADH, insuline, glucagon…

o vetderivaten: steroïden
 lipofiele moleculen
 afgeleid van cholesterol
 vb: testosteron, oestrogeen…

o aminozuurderivaten
 kleine moleculen
 afgeleid van aminozuur
 vb: adrenaline, thyroxine…

 slikken of spuiten?
o steroidhormonen: wel absorptie, geen vertering  anticonceptiePIL
o polypeptiden: wel vertering  insulineSPUIT




3. REGELING VAN HORMOONAFGIFTE

3.1. TWEE OPTIES

 soms: lokale, humorale regeling (weinig invloed van hersenen)
 meestal: centrale coördinatie vanuit hersenen

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller geneeskundeftpsychologie. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $3.25. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

66475 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$3.25
  • (0)
  Add to cart