duodenul Flashcards

1
Q

localizare

A

organ secundar retroperitoneal, in continuarea stomacului, post de intestinul subtire, fixat prin fascia Reitz de peretele post abdominal, forma de potcoava ce contine in concavitatea lui capul pancreasului

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2
Q

portiuni duoden

A
  1. port sup L1
  2. port desc L1-L3
  3. port orizontala L3
  4. port asc L3-L2
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3
Q

portiunea sup

A

lungine 5 cm
primii 2 cm preinta un mezenter
ultimii 3 cm nu prezinta mezenter
prez proximal de pilor bulbul duodenal
raporturi:fata visc a ficatului si vezica biliara
insertii:lig hepatoduodenal+omentul mare

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4
Q

portiunea desc

A

descrie o curba cu concavitatea spre stg pt capul pancreasului
situat la drp VCI
pe fata post med trece canalul coledoc
prez in int papila duodenala mare
1/3 sup acoperit de peritoneu
1.3 mij peritoneul se reflecta si form mezocolonul transvers
1/3 inf acoperit de peritoneu

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5
Q

portiunea orizontala

A

traseu transversal, ant de VCI si L3
traversat ant de a+v mezenterica sup
raporturi:ant a+v mezenterica inf
post:VCI, m psoas mare, a+v gandale
sup:cap+proc uncinat pancreas
inf:ansele ileale

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6
Q

portiunea ascendenta

A

traiect ascendent de la L3 la L2
se uneste cu jejunul prezentand flexura duodeno jejunala
prezinta m suspensor al duodenului alc din f musc striate din diafragm si din fibre musc nete din duoden care deschide unghiul flexurii in timpul digestiei

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7
Q

raporturi portiune superioara

A

sup- col vezica biliara
inf-col pancreas
med-pilor
ant-lob caudat ficat, vezica biliara, peritoneul
post-VPH, VCI, a gastroduodenale

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8
Q

raporturi fata descendenta

A

sup-portiune sup duoden
inf-portiune inf duoden
med-cap pancreas, canal coledoc
ant-mezocolon si colon transvers, ansele ileale
post-m psoas mare, rinichi drept, vase renale

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9
Q

raporturi portiune transversala

A

sup-cap si proc uncicant al pncreasului
inf-anse ileale
med-portiunea ascendenta a duodenului
ant-a+v mezenterica ant
post-VCI, aorta,ureter drept, m psoas mare

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10
Q

raporturi portiune ascendenta

A

sup-corp pancreas
inf-anse ileale
med-a+v mezenterica sup, proc uncinat al pancreasului
ant-a+v mezenterica sup, anse intestin
post-VCI, AAB, ureter dret

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11
Q

vascularizatie arteriala

A
  1. artera gastro duodenala care da artera duodenopancreatica sup(1/3 sup)
  2. AMS care da artera pancreaticoduodenala inf(1/3 inf)
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12
Q

vascularizatia venoasa

A

direct in vena porta
indirect prin VMS si V SPLENICA

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13
Q

inervatie

A

PSY prin n vag(tr vagal post)
SY-plexul celiac si plexul mezenteric sup

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14
Q

flexurile duodenului

A
  1. flexura duodenala sup care coteste la nic vezicii biliare
  2. flexura duodenala inf la niv pol inf rinichi
  3. flexura duodenojejunala
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