Tooth Development 2 Flashcards

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1
Q

Transcription Factors

A

Found in all cells, interact with core promoter region of DNA
Initiate patterns of gene expression important for makor developmental changes, acts on promotors/enhancers

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2
Q

Signalling Molecules

A

mediate interctions between cells in embryo

cytokines

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3
Q

cell surface receptors

A

intrinsic protein kinase activity or second messengers

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4
Q

Protooncogene

A

direct formation of various molecules

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5
Q

oncogene

A

mutated protooncogene that induces tumor growth

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6
Q

tumor supressor genes

A

limit cell division

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7
Q

Field theory

A

transcription factorrs are different in each field, induce specific teeth

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8
Q

Clone theory

A

a small clone induces the dental lamina to begin tooth development, when clone reaches a certain size the tooth bud is initiated

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9
Q

zone of inhibition

A

makes it so you dont have too many teeth

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10
Q

Dental Epithelium is inductive during

A

lamina and bud stage

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11
Q

dental papilla mesenchyme is inductive during

A

cap and early bell stage

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