ojo Flashcards

1
Q

de donde deriva la retina?

A

neuroectodermo

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2
Q

de donde deriva el critalino y epitelio corneal?

A

ectodermo superficial

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3
Q

de donde deriva la esclerótica, estroma corneal y capa vascular?

A

mesodermo

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4
Q

por que esta compuesto el globo ocular?

A
  • recubrimiento corneoescleral externo
  • capa vascular media
  • capa interna: retina
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5
Q

capas de la cornea

A
  • espitelio corneal
  • membrana de bowman
  • estroma corneal avascular grueso
  • membrana de descemet
  • endotelio corneal
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6
Q

por que tejido esta compuesta la esclerótica?

A

TCD

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7
Q

por qué medio se comunica la córnea con la esclerótica?

A

limbo corneoescleral

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8
Q

que contiene el limbo corneoescleral?

A

celulas madre corneolímbicas

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9
Q

que controla al iris?

A
  • fibras musculares lisas
  • celulas mioepiteliales
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10
Q

por que esta cubierta la superficie del iris?

A

epitelio pigmentario

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11
Q

de que está hecho el estroma del iris?

A

melanocitos

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12
Q

donde esta el cuerpo ciliar?

A

entre el iris y la coroides

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13
Q

que contiene el cuerpo ciliar?

A
  • procesos ciliares
  • ancla fibras zonulares
  • musculo ciliar
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14
Q

por qué está formado el cristalino?

A
  • cápsula
  • epitelio subcapsular
  • células de las fibras del cristalino
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15
Q

principales células de la retina

A
  • fotorreceptores (bastones y conos)
  • neuronas conductoras (neuronas bipolares y células ganglionares)
  • neuronas de asociación
  • células de sostén
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