Timo Flashcards

1
Q

Concepto

A

Órgano glandular linfoide primário, bilobulado, impar, plano, blando y de secreción interna.

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2
Q

Ubicación

A
Mediastino previsceral (sup y medio)
(Situada en la parte inferior del cuello)
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3
Q

Función

A

Linfoide (hasta 3 anos)

Maduran los linfocitos T

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4
Q

Dimensiones

A

5-6 cm de longitud, 4-5cm de ancho, 6-8 mim de espesor

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5
Q

Irrigación

A
Ramas timicas (tiroidea inferior) 
Ramas timicas ( mamária interna) 
Tronco timotiroideo (tiroidea media)
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6
Q

Drenaje venoso

A

Venas timicas superiores (TVBCI y TVBCD)

Venas timicas laterales( mamária interna)

Venas tifoideas inferiores( yugular interna)

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7
Q

Drenaje linfático

A

Gânglios paraesternales
Gânglios braquiocefalicos
Gânglios traqueobronquiales

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8
Q

Inervacion

A

Simpático- N. Cardíaco simpático cervical

Parassimpático- N. laríngeo recurrente (X PC)

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9
Q

Se subdivide el timo en:

A

Compuesto por 2 lóbulos laterales unidos en la línea media por un istmo.
Presenta 4 caras y 2extremidades.

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10
Q

Relaciones anatómicas del timo de su cara anterior

A

Hoja profunda de la aponeurosis cervical medial (músculo infrah.)

Ligamento esternopericardico superior

Plastron esternocostal

Vasos mamários internos

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11
Q

Relaciones anatómicas del timo de su cara posterior

A
Aponeurosis tiropericardica
Tráquea 
Troncoarterial BC, carótida primitiva Izq.
Art. Pulmonar y cayado aórtico 
Vena cava superior 
Corazón y pericardio
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12
Q

Relaciones anatómicas del timo de sua cara lateral

A

Paquete vasculonervioso del cuello
Pleuras y pulmones
Nervios frênicos

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13
Q

Relaciones anatómicas del timo de su extremo superior

A

Cuerpo tiroides (borde inf.)

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14
Q

Relaciones anatómicas del timo de su extremidad inferior

A

Pericárdio

Hasta lá altura de lá quarta o quinta costilla

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15
Q

Limites de la celda timica

A

Adelante: hoja profunda aponeurosis cervical media

Lig. Esternopericardico superior

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