surcos faringeos Flashcards

1
Q

que son

A

evaginaciones de ECTODERMO entre cada arco

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2
Q

que hace el Mesenquima del 2do arco

A

se expande y oblitera todos los surcos y aparece el SENO CERVICAL

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3
Q

1 surco faringeo

A

CONDUCTO AUDITIVO EXTERNO

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4
Q

MEMBRANA FARINGEA que es

A

asociación de SURCO , NUCLEO MESENQUIMA y BOLSA FARINGEA

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5
Q

1er membrana faringea

A

MEMBRANA TIMPANICA /TIMPANI

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6
Q

origen de membrana timpánica

A

ECTODERMO del SURCO
ENDODERMO de la BOLSA
CRESTA NEURAL del centro del MESENQUIMA

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7
Q

S. TRACHER COLLINS

A

mut: TCOF-1
deformidad orejas , defecto parpados inf , hipoplasia malar , fisura paraberal hacia abajo

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8
Q

secuencia pierre-robin

A

miorognalia -> glosoptosis -> fisura palatina

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9
Q

sindrome DI GEORGE

A

-S de deleccion + comun
MUT: TBX-1 (alteracion cresta neural)
-aplasia timica , retraso mental , deformidades faciales , anomalias cardiacas (tetralogia fallot)

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10
Q

TCOF-1

A

mantiene proliferacion de CN

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11
Q

quiste cervical

A

Restos del ceno cervical
-asintomáticos
-en esternocleidomastoideo

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12
Q

fistula cervical

A

comunicación externa con algun surco (2do arco + frecuente$

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