University:
Camosun College
Course:
BIOL 252 | Pathophysiology for Nursing 1
Academic year:

2024
Views:

210

Pages:

2
Author:

Aysha A.

Portal Vein!!! Formalion- → Union of sup masentric I splinic vein." -Blw neck of pancreas & IVC at 12 Pewlarities- → The portal vein begins like At's like Reservoir of of portal vein. a blood vein bul ends like an that deride griartery. circulati, in lives is Joom -) Devoid of Valves. → Carries renous blood, it carries many digestive products & the nutrients to the live. → There are 2 sets of capillaries. Jor 1 portal vein. & hence portal pressure is more compared to okar veins in the body. Course- Intrahepatic Intrahepatic et branch behind neck of pancreas ↓ It branch -Diriles into minute tranches called as portal radicles. ist part of duocdumum ↓ Rt free margin of lesser 3pasts omentum. fraduodenal, part. Ant neck of pancreas. 1st part of duasınum Post Vektion IVC letroduodenal Ant Superoduodenal part- Anl Bile duct & hepatic arkry. Tributaries-: I Formative tributarics-: 2) Proper tributaries. -2 gastrivi Cystic reim- It branch 3) Indirect tribuliries: in) mesentric relin. Parcaumbilical res sin, rectal ٢١٦٠ Portocaval anastomosis- Communication blw trit of portal 2 trip of syokmos mu Y 가 -is only during portat hypertension lower end of oesophagus. →reb of luft gastric rein 2 trib of hemrazygos vein. → At this site when anastomosis is enlarged take place due to rupture of Pelophagus. then hematemesis → Rectum & Anal canal: Sup tectul rein anastomost. with in telul vein. * When these veins enlarge, the stools pass through the veins, which burst, causing internal haemorrhoids. This condition is melina. •Caput Mastur Ant abdominal Wall- Para umbilical rein anastomose with sup & in) epigastric vein ele When this is enlarged it is called Capat Meclusal Post Abd' wall: Splenic rein anastamose with renal vein When enlarged it is ascites. Fluid in the abdomen. → Bare wea of the liver: Portal radicles anastomose with diaphramatic veins.