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ulcer
A break in the skin or in the mucous membrane lining the alimentary
tract that fails to heal. It is often accompanied by inflammation.
ulcerative colitis [ul-cer-a-tive
co-li-tis]
see colitis.
ultrasound, ultrasound scan
Sound waves of a very high frequency, higher than the
human ear can hear. Ultrasound can be used to examine structures
within the body by using an ultrasound scan. If ultrasound is directed
at the body, it is reflected back differently by different types
of tissue. In an ultrasound scan, these differences are measured
and used to build up pictures of structures inside the body. Ultrasound
scans are useful in diagnosing cancer.
ultraviolet (UV) radiation
The part of sunlight that causes sunburn and skin damage. Ultraviolet radiation is invisible and does not feel hot.
It is radiation of short wave length, beyond the violet end of visible light. Skin
cancer and skin damage are caused mainly by UVR.
ureter
The tube that
carries urine from the kidney to the bladder.
urethra
The tube through
which urine leaves the body. It empties urine from the bladder.
urinary
incontinence
Loss of bladder
control, or urinary leaking.
urinary
tract [u-rin-a-ry tract]
The collection of ducts and channels that take urine from the kidneys to the outside of
the body and includes the ureters, bladder,
and urethra. See Diagrams 3 and 4.
urine
Fluid containing
water and waste products. Urine is made by the kidneys, stored
in the bladder, and leaves the body through the urethra.
urologist [u-rol-o-gist]
A doctor specialising in diseases of the urinary
tract in both males and females, and of the genital organs
in males.
urostomy
An operation
to create an opening from inside the body to the outside, making
a new way to pass urine.
urothelium
The membrane
lining the bladder.
uterine cancer [u-te-rine can-cer]
Cancer of the uterus, including
cancer of the endo-metrium, the lining of the uterus. It is the
sixth most common cancer among women in Victoria, and the most
common gynaecological cancer, usually occurring in post-menopausal
women. Treatment is usually surgery. Sometimes called endometrial
cancer.
uterine fibroid [u-te-rine fi-broid]
see fibroid.
uterus [u-te-rus] (adj. uterine)
The womb;
the hollow, muscular organ which, during pregnancy, holds and nourishes the developing child.
See Diagram 3.
UVA, UVB
Forms of ultraviolet
radiation.
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