unguentum Crede. An ointment of colloidal silver, 15: distilled water, 5; white wax, 10; benzoinated lard, 70 parts. Used as an inunction.

urates. Salts of uric acid.

urea. An end-product of metabolism excreted in the urine.

ureter. A tube carrying urine from the kidney to the bladder.

urethra. A canal from the bladder thru which the urine is discharged.

uria (urine). As in glycosuria, the excretion of sugar (glucose) in the urine.

urology. The subject which has to do with urinary modifications in disease.

V

vaccine. The modified virus of any disease, which, when inoculated, protects against the action of the unmodified virus.

vaccination. The injection of a killed culture of a specific bacterium as a means of prophylaxis or cure of the disease caused by that microorganism.