Ulna (ul'nah). A bone of the forearm on the side opposite that of the
thumb.
Urea (u-re'ah). A white, crystallizable substance from the urine, blood
and lymph.
Ureter (u-re'-ter). The tube that conveys the urine from the kidney to the
bladder.
Urethra (u-re'thra). A membranous canal extending from the bladder to the
surface.
Urine (u'rin). The fluid secreted by the kidneys, stored in the bladder
and discharged through the urethra.
Uric Acid (u'rik a'sid). One of the nitrogenous end products of
metabolism, found in the urine and spleen.
Uterus (u'ter-us). The womb.
Uvula (u'vu-lah). The pendulum (tip) of the soft palate.
Vaccine (vak'sin). The virus used in vaccinating.
Variolus (va-ri'o-lus). Pertaining to or of the nature of smallpox.