Gastrointestinal histology liver and gallbladder

Question 1

what covers the liver

Answer 1

Glisson’s capsule (dense irregular CT)
surrounds the 4 lobes

covered by simple squamous epitheium (from peritoneum)

Question 2

what enters at the porta hepatis

Answer 2

hepatic ducts
portal vein
hepatic artery

Question 3

what percentage of blood of the liver is portal and what percent is from hepatic artery

Answer 3

75 percent portal
25 percent hepatic artery

blood leaves as hepatic veins and enters IVC

Question 4

what is a portal system

Answer 4

capillary blood is collected into venous network
then redistributed into second capillary network

so it goes left ventricle–> aorta–> large artery –> small artery–> arterioles–> capillaries–> venues–> small veins–> venules –> capillaries–> venules–> small veins–> large veins–> IVC or SVC