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Samenvatting GIE practicum 1 (mondholte)

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Samenvatting van histologie en histopathologie: GI en endocrinologie, practicum 2 (gastro-intestinale tractus). Bevat zowel beschrijving van de preparaten als foto's waarop de structuren zijn aangeduid. score: 15/20

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GI & ENDOCRIEN
PRACTICUM 1
Academiejaar 2018-2019




Bronnen:
Samenvatting gemaakt a.d.h.v. de practicumlessen & a.d.h.v. de practicumbundel: Timmermans, J. P.,
Bogers, J. P., Van Meir, F. & Brouns, I. (z.d.). Histologie en histopathologie Spijsvertering en endocriene
organen Practicumnota’s.
Afbeeldingen afkomstig van de preparaten bekeken tijdens het practicum
1

,HISTOLOGIE

E1/5 lip (humaan)
Kleuring: Van Gieson
- Gaat BW felroze kleuren
- Gaat spierweefsel oranje kleuren




Lip

Lip:
- We zien de overgang van huid naar mondslijmvlies
- Hier: preparaat van een zuigeling
o Vertoont ‘zuigkussens’
- In het midden zien we spierweefsel: de m. orbicularis oris
o Dit is dwarsgestreept spierweefsel
o Wordt omgeven door fibro-elastisch BW:
 = collageen BW
 Zit ook tussen de spierbundel




M. orbicularis oris (oranje)
met rondom firbo-elastisch
BW (roos)




1

, Ook BW (roos) tussen de
spierbundel (oranje)


We onderscheiden 4 zones:
- Pars cutanea = voortzetting van de huid (buitenkant van de lip)
- Pars marginalis = lippenrand
- Pars intermedia = lippenrood (overgang huid – vochtig slijmvlies)
- Pars mucosa = mondslijmvlies




Pars cutanea
Pars marginalis
Pars intermedia
Pars mucosa



Pars cutanea
- 2 delen: epidermis + dermis (+ weinig hypodemis)
- Epidermis:
o Meerlagig verhoornd plaveiselepitheel
- Dermis:
o BW laag onder de epidermis
 Collageen BW
o Hierin vinden we:
 Haarfollikels (fel oranje) + homocriene talgklieren
 Zweetklieren (tubulair & sterk gewonden)
 Gaan sereus secreet produceren
 BV
 Zenuwen




2

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