解剖大白鼠(英文)(学习资料).ppt

1999/1/26 1999/1/26 @ Copyright @ Copyright * How to identify the 4 major blood vessels in the dissection of alimentary canal of a rat ? LEUNG KWOK KWONG HK KLN CCPA MA CHUNG SUM SECONDARY SCHOOL To identify the blood vessels, you can perform some important steps first as follows. Liver Spleen caecum ileum Step 1 Step 6 Step 2 Step 7 Step 3 Step 8 Step 4 Step 9 Step 5 Step 10 Main steps to identify the 4 blood vessels Step 1 Move stomach on the right hand side of a rat To cut mesentry connected between liver and stomach Step 2 Put caecum on the right foot of a rat Stomach pancreas Step 3 To release the loop between ileum colon colon Ileum You can find that Ileum is crossing the colon here. Step 4 Pink color pancreas is clearly found Step 5 To show hepatic portal vein connecting from ileum to liver To peel off some pancreas. Step 6 Trace the duodenum ileum as a fan-like pattern Step 7 To identify the 3 major blood vessels on the position first Coeliac artery Anterior mesenteric artery Hepatic portal vein Step 8 To clear pin out the 3 major blood vessels Coeliac artery Anterior mesenteric artery Hepatic portal vein Step 9 To find the posterior mesenteric artery near rectum rectum Posterior mesenteric artery Step 10 Coeliac artery Anterior mesenteric artery Hepatic portal vein Posterior mesenteric artery You are now finishing this dissection . THANK YOU ! LEUNG KWOK KWONG HK KLN CCPA MA CHUNG SUM SECONDARY SCHOOL *