Lymphatic System in Vertebrates (With Diagram) | Chordata | Zoology
Lymph vessels or lymphatics arise as spaces in the mesenchyme of an embryo. They arise near the large veins but considerably later than and independently of the blood vessels. The lymph spaces unite and then branch to form anastomosing lymph vessels running throughout the body. The bordering mesenchyme cells form the flat endothelial cells lining the lymph vessels. In certain [...]