Piel Flashcards

1
Q

En qué semanas se forma Peridermo en Epidermis

A

4 - 6 semana

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2
Q

Comienzo de queratinización en Peridermo

A

19 - 20 semanas

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3
Q

En semana 8 - 11 se forma

A

C. madre en capa profunda de peridermo

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4
Q

Estrato germinativo en semana 14 forma

A

capa intermedia

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5
Q

Peridermo desaparece en

A

Semana 21

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6
Q

Crestas epidérmicas aparecen

A

10 semana

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7
Q

Crestas epidérmicas se establecen en

A

semana 19

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8
Q

Las huellas dáctilares presentes:

A

fetos a los 6 meses

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9
Q

Dermis

en semana 11 c. mesenquimatosas comienzan a producir:

A

*Fibras colágenas y elásticas de t. conjuntivo

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10
Q

vasos de tipo capilar se observan en la dermis al final de la

A

5 semana

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11
Q

La expresión de los factores de transcripción epiteliales inicia formación de la formación de las crestas y yemas mamarias.

A

TBX3 y LEF1

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12
Q

En recién nacido cuántos conductos galactóforos tiene:

A

15 a 19

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13
Q

Las mamas de los recién nacidos contienen conductos galactóforos, pero no…

A

alvéolos

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14
Q

El pelo se desarrolla

A

semana 9 - 12

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15
Q

Pelo se reconoce en:

A

semana 20

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16
Q

Yemas pilosas forman porra en:

A

Semana 12

17
Q

Yemas pilosas forman bulbos pilosos en semana:

A

14

18
Q

Lanugo aparece al final de semana:

A

12

19
Q

Lanugo se su máximo desarrollo se da en:

A

Semanas 17 - 20

20
Q

Uñas comienza su desarrollo a partir de semana:

A

10