Tissue.—The peculiar structure of a part.

Tokology.—Science of midwifery. From Greek Tokos, childbirth and Logos, discourse.

Toxicological.—Pertaining to poisons.

Trachea.—Windpipe.

Transudation.—The oozing of blood through a membrane.

Tympanitic.—Distension of abdomen. Drum-like.

Umbilical.—Pertaining to the navel.

Umbilicus.—The navel. The place in the abdomen from which the cord is removed.

Urachus.—A ligament that sustains the bladder.

Urinary.—Pertaining to the urine.