Óseo Flashcards

1
Q

el tejido óseo sirve como sitio de

A

almacenamiento de calcio y fosfato

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2
Q

Principal componente estructural de la matriz ósea

A

colageno tipo I y poquis V

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3
Q

4 principales proteinAas no colágenas en la matriz osea

A
  1. Macromoleculas de proteoglucanos
  2. Glucoproteinas multiadhesivas
  3. Proteinas deoendientes de vitamina K osteoespecificas
  4. Factores de crecimiento y citocinas
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4
Q

Macromoleculas de proteoglucanos

A

Responsables de la fijación de los factores de crecimiento y puede inhibir la mineralización

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5
Q

Glucoproteinas multiadhesivas

A

Ostenectina
Podoplanina
DMP proteina de matriz de dentina
Sialoproteinas
BSP-2

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6
Q

Ostenectina

A

adhesivo entre colageno y cristales de hidroxiapatita

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7
Q

Podoplanina

A

Estres mecanico en osteocitos

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8
Q

DMP proteina de la matriz de la dentina

A

mineralizacion de la matriz osea

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9
Q

BSP-2

A

Adhesion celular e inicia la formacion de fosfato de Ca en la mineralización

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10
Q

Proteínas dependientes de vitamina K osteoespecíficas

A

Osteocalcina
Proteina S
Proteina Gla de la matriz

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11
Q

Osteocalcina

A

captura el Ca en la circulacion y atrae y estumula los osteoclastos

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12
Q

Proteina S

A

Contribuye a l aeliminacion de las celulas q sufren apoptosis

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13
Q

Proteina Gla de la matriz

A

Desarrollo de las calcificaciones vasculares

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