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Hvornår sker dannelsen af støttevævet?

Samtidig med roddannelsen

Hvor udgår dannelsen af støttevæv fra?

Tandsækkens celler.

Beskriv dannelsen af støttevævet

- Ectomesenchymceller penetrerer den fenestrerede rodepitelskede.



- Ectomesenchymcellerne kommer i kontakt med roddentinen og differentierer til cementoblaster, der aflejrer en organisk matrix mod rodoverfladen, der mineraliserer til cement.



Ectomesenchymceller differentierer til rodhindens celler (fibroblaster)



Ectomesenchymceller differentierer til osteoblaster der danner knoglen i alveolen.