uniones celulares Flashcards

1
Q

caras de las células epiteliales que dan polaridad

A

superifice basal y apical

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2
Q

tipos de uniones

A

estrechas, anclaje, comunicación

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3
Q

zona occludens de union fuerte que regula paso de agua y solutos

A

uniones estrechas
+ apical basolateral

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4
Q

proteínas de unión estrechas

A

ocludina y claudina

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5
Q

citoesquelto de estrechas

A

actina

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6
Q

ejemplo de union estrechas

A

mucosa gástrica, tubos renales y barre hematoencefálica

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7
Q

unión célula-célula, zonula adherens que proporciona fuerza y resistencia y cubre heridas

A

union adherentes

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8
Q

proteínas de adherentes

A

e-cadherina

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9
Q

citoesquelto de adherentes

A

filamentos de actina

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10
Q

ej anclaje adherens

A

endotelilas y epiteliales

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11
Q

union célula-célula que mantiene forma contra fuerzas mecánicas

A

desmosoma

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12
Q

proteínas de unión desmosoma

A

cadherinas - desmogleínas y desmocolinas

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13
Q

citoesquelto de desmosoma

A

filamentos intermedios

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14
Q

unión célula-matriz

A

hemidesmosoma

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15
Q

proteíans de unión hemidesmosoma

A

integrina, laminia o colágena

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16
Q

citoesquelto de hemidesmosoma

A

filamentos intermedios

17
Q

canales que conectan citoplasma - citoplasma permitienod paso de moléculas intracelular

A

comunicante GAP

18
Q

proteíans de union GAP

A

conexinas

19
Q

ejemplo de GAPS

A

neuronas, sinápsis eléctrica