trypsin. A proteolytic ferment of pancreatic fluid.

tubercle. A circumscribed elevation on the skin, mucous membrane or surface of an organ; the lesion of tuberculosis.

tuberosity. A small rounded elevation on a bony surface.

tumor. A swelling or tumefaction.

tylosis. Formation of a callosity.

typhoid fever. An acute infectious disease caused by the bacillus typhosus.

U

ulcer (ulcus). A lesion of a cutaneous or mucous surface usually attended by suppuration.

ulceration. The process of ulcer formation.