Artera pulmonara

Question 1

Art pulm

Answer 1

-conduce sangele venos de la VD la plamani=> oxigenare=> intoarcere prin venele pulm=>AS=>VS=> aorta
-form din 1 trunchi + 2 ramuri (dr, st)

Question 2

Trunchiul art pulm

Answer 2

-orig la niv orif pulm (varful conului arterial al VD)
-traiect oblic inapoi, la st si in sus=> curba cu concav post-lat dr (incaleca fata ant si st a aortei asc)
-se termina la st liniei med, la 2 cm sub bifurcatia traheala prin 1 unghi obtuz
+aorta asc=>pedicul arterial

Raporturi intrapericard:
*post: tr aortei asc (ulterior se muta ant-lat in dr)
*lat: -art coronare
-ramurile plecului cardiac

Raporturi extrapericard:
*ant (supraf->profunzime):
-peretele torac (stern, partea int a cart 2 cost+ spatiu intercost aferent)
-vasele torac int st
-funduri de sac pleurale costomediastinale ant
-marg ant plamani
-port inf a lojei timice

*post + inf (la dist)
-venele pulm

• la dr
  -vcs
  -n frenic dr
  -pleura mediastin

*la st:
-pleura mediast st
-plaman st
-n frenic st

*sup:
= rap ca ale bifurc pulm cu bifirc traheala
+ fata inf a crosei + lig arterial

Question 3

Art pulm st

Answer 3

-legata de aorta prin lig arterial
-form din 2 segmente:
▪︎extrahilar: atinge marg sup a bronhiei st
▪︎hilar: curba concava ant-med, trece post de bronhia lobara sup

Question 4

Art pulm dr

Answer 4

-are 2 segm:
▪︎pre pedicular: transv spre dr,
-se încrucis post cu aorta + vcs
▪︎pedicular: intra in const pedic pulmonar