Lymphoid 

Trabecular Vein in Canine Spleen

dgroga01

The trabecular vein in the spleen has an tunica intima made up of a layer of endothelial cells. The rest of the wall is the fibromuscular tissue of the trabecula. The wall does not have a distincive tunica media. Original mag. 66x. Mason’s trichrome. Trabecular vein. Spleen. Lymphoid System. Dog.