Fig. 4From: Proposed new lymphology combined with lymphatic physiology, innate immunology, and oncologyTransverse section of a blood capillary found within the external longitudinal smooth layer of bovine mesenteric collecting lymph vessels (×2400). The endothelium of the blood capillary (a white arrow) has many pedicles that protrude into the lumen. Continuous basement membrane is found around the blood capillary. Data from Ohhashi et al. [27], with permissionBack to article page