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Samenvatting Oogheelkunde & pathologie

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Samenvatting van Oogheelkunde & pathologie, jaar 1, .

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  • June 11, 2017
  • 24
  • 2016/2017
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By: bermudezpatrick • 7 year ago

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Oogheelkunde & pathologie

Oogheelkunde
Week 1. Oogleden
De oogleden bestaan uit: epidermis, dermis en subcutaan.

Epidermis: 4 lagen van keratine-producerende cellen, bevat melanocyten, Langerhans cellen en
Merkel cellen. Van oppervlakkig naar diep:
- keratine: verhoornde laag, erg dun, bevat nuclei
- granulaire cellaag: 1 of 2 lagen van diamant-vormige of afgeplatte cellen
- stratum spinosum: 5 cellen dik, polygonaal, eosinofiel cytoplasma, desmosomen (vrije randen)
- basaalcellen: enkele rij van kolomvormige cellen, bevatten melanine




Dermis: dikker dan epidermus, bestaat uit bindweefsel en bevat bloedvaten, lymfevaten en
zenuwvezels, fibroblasten, macrofagen en mestcellen. De dermis ligt op de orbicularis spier.
- sebaceous klieren: liggen in caruncle en wenkbrauwharen
- Meibom klieren: liggen in de tarsale plaat, 30 openingen op ieder ooglid, klier bestaat uit een
centraal kanaal van meerdere acini, waarvan cellen lipiden synthetiseren en de buitenste laag van de
pre-corneale traanfilm vormt
- klieren van Zeis: wimper follikels
- klieren van Moll: apocriene zweetklieren, opening bij iedere wimper follikel of direct op de
anteriore ooglidrand tussen de wimpers, meer in onderooglid.
- Eccrine zweetklieren: ooglid huid
- Pilosebaceous units (haar follikels en sebaceous glands): haar follikels en sebaceous glands

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