uretra Flashcards

1
Q

medidas sonda

A

Charriere o French (Ch, CH, Fr, FR o F)

3Fr= 1mm
1Fr= 0.333

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2
Q

calibre interno sonda

A

Gauge

1G = 12.7mm
19G = 1mm

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3
Q

elementos que atraviesa la uretra en el hombre

A

-próstata
-diafragma

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4
Q

estructuras en la porción posterior h

A

-intramural
-prostatica 3cm
-membranosa 1 cm

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5
Q

estructuras en la porción anterior h

A
  • porción esponjosa 12 cm
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6
Q

forma de paredes aplicadas

A

u - concava hacia atrás (porción prostatica e intramural*)
T - invertida (poción membranosa)
I - vertical en pene

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7
Q

dilataciones en h

A
  • prostatica
  • bulbar
  • fosa navicular
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8
Q

estrechamientos en h

A
  • cuello vesical
  • orificio externo uretra
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9
Q

relaciones protáticas

A
  • colículo seminal
    -cresta uretral
  • senos prostáticos
  • utriculo prostatico
  • conductos eyaculadores
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10
Q

capas en h

A

tunica mucosa
tunica vascular
tunica muscular

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11
Q

arterias en h

A

-uretra prostatica: vesical inf y rectal media

-uretra membranosa y esfinter externo: a uretral y a del bulbo del pene

-uretra esponjosa: ramas de la pudenda interna

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12
Q

venas en h

A

esponjoso: plexo prostatico (retropubico V.D. profundo)

Plexo periprostaticos
V vesicales
VENA ILIACA INTERNA

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13
Q

linfaticos en h

A
  • nodulos linfaticos iliacos internos
    -nodulos linfaticos iliacos externos
    -nodulos linfaticos inginales superficiales
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14
Q

nervios en h

A

-Plexo hipogastrico inf: uretra post

-n pudendo (n dorsal del p) : uretra anterior

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15
Q

capas en m

A

mucosa
capa esponjosa
capa muscular

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16
Q

caracteristicas esfinter externo m

A

-n pudendo
- m estriado
- debilidad: incontinencia urinaria

17
Q

musculos en m

A

m compresor de la uretra y m esfinter ureterovaginal

son estriados, a nivel de la cara sup, al contraerese se aplican a pared anterior de uretra

18
Q

arterias m

A

vesical inf
uterina
pudenda interna

19
Q

venas m

A

hacia el plexo vesical
vena pudenda interna

20
Q

linfaticos m

A

siguen a pudenda interna
iliacos internos - mayoría
pocos sigen A iliaca externa

21
Q

nervios m

A

esfinter externo - pudendo
esfinter interno - plexo hipogastrico inf