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Samenvatting Histologie Mondzorgkunde Propedeuse

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Tandontwikkeling, Tandopbouw, Kraakbeen, Botweefsel, Epitheel, Cel verbindingen, Bindweefsel, Amorfe grondsubstantie, Cellen – dierlijke cel, Histologische preparaten, Speeksel, Lippen, Tong

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  • November 25, 2022
  • 31
  • 2022/2023
  • Summary
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Histologie
samenvatting
MONDZORGKUNDE PROPEDEUSE




Lisa Janssen
2022/2023

,Histologie Mondzorgkunde Propedeuse 1


Inhoudsopgave
Tandontwikkeling .............................................................................................. 2
Tandopbouw ..................................................................................................... 8
Kraakbeen ....................................................................................................... 11
Botweefsel ...................................................................................................... 12
Epitheel ........................................................................................................... 14
Cel verbindingen ............................................................................................. 16
Bindweefsel ..................................................................................................... 17
Amorfe grondsubstantie ................................................................................. 19
Cellen – bouw dierlijke cel ............................................................................... 20
Histologische preparaten ................................................................................ 21
Speeksel .......................................................................................................... 22
Lippen ............................................................................................................. 26
Tong ................................................................................................................ 27

,Histologie Mondzorgkunde Propedeuse 2


Tandontwikkeling
- Extoderm (mondholte) & mesoderm
- Mesoderm > mesenchym cellen >
➔ Komen bij elkaar mondholte
en tandknoppen (cellen bij elkaar gaan liggen




4 stadia
1. Knopstadium (5/6e week na bevruchting)
= heel veel cellen bij elkaar (condensatie mesenchym)
a. Extoderm (epitheel) groeit richting mesoderm, epitheelcellen mooier naast elkaar op basaal
membraan (altijd),
b. Epitheelcellen groeien langzaam naar binnen, mesenchym cellen ook dichter bij elkaar/sneller
groeien = condensatie mesenchymcellen
c. Lijst naar beneden van epitheelcellen = tandlijst
- Tandknop
- Tandlijst (lamina dentalis) (3)
- 10 plekken knopvorming (melk)

, Histologie Mondzorgkunde Propedeuse 3


2. Kapstadium
Vroeg kapstadium
a. Epitheelcellen worden binnenste en buitenste glazuur epitheel genoemd
b. Cellen die direct tegen het binnenste glazuurepitheel liggen (boven 4) vormen samen het
stratum intermedium (belangrijk bij dentine vorming, odontoblasten)




Laat kapstadium
a. Tandlijst lijkt los te komen tot nummer 8, basis voor blijvend element (hier nieuwe tand gevormd)
b. Binnenste en buitenste epitheel laag hebben groep cellen ingesloten = reticulum stellatum
c. Ook weer condensatie mesenchym met daarboven stratum intermedium
d.
e. Entodermale cellen die met elkaar het reticulum stellatum vormen.

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