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Histo II > Muscular > Flashcards

Muscular Flashcards

1
Q

Músculo esquelético

A

Núcleos perifericos

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2
Q

Músculo cardiaco

A

1 nucleo central

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3
Q

Músculo liso

A

Corto, nucleo alargado, bueno romo

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4
Q

Capas músculo esqueletico

A

Endomisio, perimisio y epimisio

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5
Q

Sarcomero

A

Unidad contractil

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6
Q

Filamentos delgados

A

Isotropa, clara de actina, 6-8nm

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7
Q

Filamentos grueso

A

Anisotropo, oscuro de miosina II, 15nm

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8
Q

Tubulos transversos

A

Transmiten despolarizacion al RS

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9
Q

Banda A

A

Filamentos gruesos

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10
Q

Banda H

A

Miosinas solas

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11
Q

Línea M

A

Union miosinas

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12
Q

Banda I

A

Filamentos delgados

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13
Q

Disco Z

A

Delimita sacrcomero

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14
Q

Rigor mortis

A

Te quedas tiezo

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15
Q

Nitrógeno liquido

A

Para que no se contraiga

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16
Q

Fibras Tipo I

A

Tortuga, mucha mioglobina y mitocondrias, peques. ROJO, oxidativa

17
Q

Fibras tipo IIa

A

Mid, muchas mitocondrias con glucagon. ROJIZO

18
Q

Fibras tipo IIb o blancas

A

Liebre, poco mioglobina y mitocondrias, Muuucho glucógeno. ROSA

19
Q

Mioglobina

A

Cáncer colon

20
Q

Sarcoma

A

Tumor esquelético más comun

21
Q

Cardiaco caracteristicas

A

Discos intercalados, desmosomas (lateral), glucogeno rodea nucleo

22
Q

Cardiomiocitos

A

NO regeneran

23
Q

SN autonomo

A

Regula latidos

24
Q

Fibroblastos

A

Parchan pero ya no contrae

25
Q

Miositis

A

Osificacion musculo

26
Q

Musculo Liso

A

Nucleo largo, no estriaciones, no disco Z = cuerpos densos. NO troponina. No tubulos T = caveolas

27
Q

Músculo proviene de…

A

MyoD, el liso puede dividirse

28
Q

Leiomioma

A

Tumor músculo liso comun y benigno. En vasos puede ser

29
Q

Leiomiosarcoma

A

Músculo liso maligno

30
Q

Distrofia muscular

A

Debilitamiento y desgaste

31
Q

Duchenne

A

Menos 5años, No distrofina, niños

32
Q

Becker

A

Mutacion distrofia, 8 a 25años, recesivo

Histo II (9 decks)

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