EX derma Anatomia Flashcards

1
Q

UÑA

componentes

A
    • Hiponiquio
    • Lámina
    • Pliegue lateral
    • Lecho ungueal
    • Lúnula
    • Cutícula
    • Pliegue proximal
    • Matriz
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2
Q

Uña matriz

A

Produce lámina
Producto córneo
Cubierta por repliegue proximal
Proximal parte superficial (dorsal)
Distal parte profunda (ventral)

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3
Q

pliegues laterales

A

Continuación de pliegue posterior
Protectoras
Orientan crecimiento de uña

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4
Q

Pliegue proximal

A

Unidad ecrina
Queratinización
Queratina blanda

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5
Q

Lunula

A

Media luna

Terminación distal de matriz

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6
Q

lamina ungular

A

Rectangular, convexa, translúcida
Desde terminación de lúnula hasta hiponiquio
Origina por cornificación
Espesor 0.5-0.75mm (mano), 1 mm (pie)

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7
Q

Lecho ungular

A

Epidermis delgada
2-3 capas células
No granulosa
Adherido cara ventral lámina

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