Veterinary Splanchnology and Applied Anotomy

LIVER (DOG)

Do you want to view these lobes? Click here

• It weighs about 3% of the body weight
• It consists of five lobes -Rt. Lateral, Central, Caudate, Lt-central and Lt-lateral divided by fissures, which converge towards the portal fissure
  • The left lateral lobe is largest and is oval
  • The left central lobe is prismatic
  • The right central lobe is second in size and presents a tongue-shaped quadrate lobe divided from it by a deep fissure in which the gall bladder is lodged
  • The right lateral is third in size and is oval. On its visceral face is the
  • Caudate lobe made up of a caudate process on the right and a papillary process on the left
• The parietal surface is convex and is related to the diaphragm and the adjacent part of the inferior wall of abdomen
• The visceral surface is concave and presents the large gastric impression on the left lateral lobe
• The portal fissure is between the papillary and caudate lobes
• The dorsal border presents a deep renal impression for the right kidney on the caudate lobe and medial to it, the caudal vena cava passes in a deep groove then continues on the parietal face of right lateral and central lobes. Next to the caudal vena cava, the dorsal border presents a large oesophageal notch
•  The ventral border lies on the floor of abdomen at a variable distance behind the xiphoid cartilage
• The gall bladder lies between the two parts of the right central lobe