Splanchnology (Ⅱ)---- Alimentary system (Ⅱ)
- Alimentary system (Ⅱ) Splanchnology (Ⅱ)
DigestiveglandsSection 1 Liver·thelargest digestive gland· weights 1.15~～1.45kgDiaphragmatic surface:performsmetabolicactivities·secretes bileVisceral surface
Section 1 Liver • the largest digestive gland • weights 1.15～1.45kg • performs metabolic activities • secretes bile Digestive glands: • Diaphragmatic surface • Visceral surface
I.External featuresFalciform lig2 surfaces:·diaphragmatic surfaceDiaphragmatic surface·visceral surfaceBare area34 lobes:right lobeleft lobecaudate lobequadratelobe.Visceral surface
• diaphragmatic surface • visceral surface ① right lobe ② left lobe ③ caudate lobe ④ quadrate lobe Ⅰ. External features 4 lobes: Falciform lig. Bare area • Diaphragmatic surface • Visceral surface 2 surfaces: ③ ④
Visceral surface:a“H"-shaped fissuresLeftlongitudinal fossa@Fissureforligamentumvenosum1② Ligament teres hepatisRight longitudinal fossa:③Inferiorvena cavaGallbladder
Visceral surface: a “H”-shaped fissures Left longitudinal fossa: ① Fissure for ligamentum venosum ② Ligament teres hepatis Right longitudinal fossa: ③ Inferior vena cava ④ Gallbladder ① ② ③ ④
The cross-bar of the"H"> Porta hepatissomestructuresenteringorleavingtheliverHepatic ducts1② Hepatic artery③ Portal vein
➢ Porta hepatis The cross–bar of the “H”: ③ Portal vein ② Hepatic artery ① Hepatic ducts • some structures entering or leaving the liver