perforated ulcer n.
An ulcer extending through the wall of an organ.
- Perforating abscess
perforating abscess n. An abscess that penetrates tissue barriers and enters adjacent areas.
- Perforating artery
perforating artery n. An artery with its origin in the deep artery of the thigh, with distribution as three or four vessels that pass through the great adductor muscle to the posterior and lateral parts of the thigh.
- Perforating fiber
perforating fiber n. Any of the bundles of collagen fibers that pass into the outer circumferential lamellae of bone or into the cementum of teeth.
- Perforating vein
perforating vein n. Any of the veins that accompany the perforating arteries, drain the lateral vastus and the hamstring muscles, and terminate in the deep femoral vein.