Figure 6From: Disruption of the thrombospondin-2 gene alters the lamellar morphology but does not permit vascularization of the adult mouse lumbar discBlood vessels in soft tissues on the margin of the ventral annulus. (a) Wild-type (WT) specimen with modest vascularization. (b) Larger number of vessels (arrow) in the margin of a disc from a thrombospondin-2-null animal. Ann, annulus; arrow, capillary containing red blood cells. Masson-trichrome stain; magnification, ×600.Back to article page