Ureters. The canals leading from the kidneys to the bladder. Illus. pages [85] and [207].

Urethra. The canal leading from the bladder outwards, by which the urine is voided. Illus. [page 207].

Urethrotomy. The operation for opening the urethra for the removal of stricture.

Uric Acid. A constituent of the urine.

Urinary Fistula. Abnormal communication between the urinary passages and the surface.

Urino-genital organs. Pertaining to the urinary and sexual organs.

Uterine. Belonging or relating to the womb.

Uterine Cavity or Canal. From the month of the womb to a constriction called the internal orifice, is a cylindrical space called the canal. Above this to the fundus or base is a triangular and flat space called the cavity.

V

Vagina. A canal, five or six inches long, situated between the vulva and womb.