Tox´in. Any poisonous albumin produced by bacterial action.

Trau´ma. A blow, wound, or other violent injury.

Trau´ma-tism. A condition of the system due to injury.

Tu´mor. 1. Swelling; morbid enlargement. 2. A neoplasm. A mass of new tissue which persists and grows independently of its surrounding structures, and which has no physiologic use.

Tym´pa-ni´´tis. Distention of the abdomen from gas.

Um-bil´i-cal. Pertaining to the umbilicus.

Um-bi-li´cus. The navel.

U´ra-chus. A cord that extends from the apex of the bladder to the navel. It represents the remains of the canal in the fœtus which joins the bladder with the allantois.

U-re´a. A white crystallizable substance from the urine, blood and lymph.

U-re´ter. The fibro-muscular tube which conveys the urine from the kidney to the bladder.