Bijzondere vorm eenlagig epitheel = meerrijig epitheel:
Een laag kernen
Cilia/ trilharen
Trilhaarepitheel
Bijvoorbeeld in de trachea van een konijn
Meerlagig plaveiselepitheel:
, Verhoornend: huid (hoornlaag- epitheelcellen- bindweefsel)
Niet verhoornend: oesophagus (slokdarm)
De diepste cellaag is kubisch/ cylindrisch, de bovenste laag is plaveisel
Bijzondere vorm meerlagig epitheel = overgangsepitheel:
Urinewegen en blaas
Overgangsepitheelcellen zijn vervormbaar en onderling
verschuifbaar
Bevat paraplucellen
Lege blaas = grote ronde cellen
Volle blaas = plattere cellen
Klierepitheel:
Klieren maken een product
2 hoofdtypen:
o Endocriene klier:
Hormonen
Afgifte aan het bloed/ lymfevloeistof
o Exocriene klier:
Maakt o.a. enzymen, zweet, speeksel, gal en melk
Eencellig (goblet-cel), multicellulair
Bindweefsel, functies:
Verbinding
Bescherming
Transport
Opslag
, Vezels: geproduceerd door bindweefselcellen, 3 typen:
o Collageen: pezen, banden, kraakbeen
o Elastine: bloedvaten
o Reticulair: lymfatisch weefsel
Kraakbeen:
Slecht doorbloed
Bevat collageenvezels
3 typen kraakbeen:
o Hyalien:
Gewrichtsuiteinden
Versteviging van de luchtpijp
Voeding via diffusie
o Elastisch:
Oorschelp, neus
o Vezelig:
Meniscus, tussenwervelschijven
Bot:
Osteoblasten/osteoclasten
Matrix bevat veel collageen
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 isoldeebbinge1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $4.72. You're not tied to anything after your purchase.