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Embriologia > Periodo Embrionario > Flashcards

Periodo Embrionario Flashcards

1
Q

Periodo embrionario

A

Primeras 8 semanas

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2
Q

Fase de crecimiento

A

Primeras tres semanas, proliferación celular muy activa (cigoto>embrión trilaminar)

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3
Q

Organogenesis

A

4va a 8va semana

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4
Q

Métodos para dx edad embrionaria

A

Determinar la cantidad de somitas, o medir la longitud craneo-caudal

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5
Q

4ta semana

A

Tubo neural, somitas, neuroporos, placodas OtiOptiNas, 3 pares de arcos faríngeos, prominencia cardíaca, cresta ectodermica apical, pediculo de fijacion corto, cola, se comienza a escuchar el latido

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6
Q

5ta semana

A

Curvatura prominente, somitas, vesícula del cristalino, otocisto, 5 pares de arcos faríngeos, esbozos evidentes, cola prominente

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7
Q

6ta semana

A

Copa óptica, montículos auriculares, prominencia cardiohepatica, placodas manual radiada, placoda pedía, hernia fisiologica, la cola comienza su regresión

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8
Q

7ma semana

A

Ojo abierto, formación del párpado superior, pabellón auricular, abdomen prominente, hernia fisiológica z extremidad superior completa y placoda pedía radiada

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9
Q

8va semana

A

Todas las estructuras completas, hernia físiologica, ya no presenta cola

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10
Q

Primer surco faríngeos da lugar

A

Conducto auditivo externo

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11
Q

Montículos auriculares se fusionan..

A

Origen al pabellón auricular

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12
Q

Primordio del oído interno durante la 4ta semana

A

Placoda otica

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13
Q

Extremidad inferior en placoda pedía radiada

A

7ma semana

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14
Q

Primer centro hematopoyetico extraembrionario

A

Saco vitelino

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15
Q

Engrosamiento del ectodermo en la 4ta semana

A

Cresta ectodermica apical CEA

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16
Q

Primer centro hematopoyetico intraembrionario

A

Higado

17
Q

Hernia físiologica aparece en..

A

6ta semana

18
Q

Origen de los montículos auriculares

A

Mesodermo del primer y segundo arco faríngeo

19
Q

Prominencia cardiohepatica se observa en

A

6ta semana

20
Q

Segundo centro hematopoyetico intraembrionario

A

Higado

21
Q

Primordio de la retina

A

Copa óptica

22
Q

Que originan los arcos faríngeos

A

Estructuras del cuello y de la cara

23
Q

Primordio del cristalino

A

Vesícula del cristalino

Embriologia (13 decks)

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