or swallowed contrast media (chemicals
opaque to X-rays) may be used to make
certain tissues more visible.
A growth of bacteria or other
microorganisms, cells, or tissues culti-
vated artificially in the laboratory.
Microorganisms are collected from the
site of an infection and cultured to pro-
duce adequate amounts so that tests to
identy them can be performed. Cells may
be cultured to diagnose disorders pre-
natally and for study of chromosomes
sues, such as skin, may be cultured to
produce larger amounts for grafting.
An ancient form of treatment,
still used in folk healing in some coun-
tries, which draws blood to the surface
by applying a small heated vessel to the
skin. The inflammatory response pro-
duced is believed to help in
and musculoskeletal pains.
An extract from the bark and
juices of various trees that has been
used for centuries by South American
Indians as an arrow poison. Curare kills
by causing muscle
compounds related to curare are used to
produce paralysis during surgery.
To restore to normal health after an
illness. The term usually means the dis-
appearance of a disease rather than a halt
in its progress. Medication or therapy that
ends an illness may also be termed a cure.
The use of a sharp-edged,
spoon-shaped surgical instrument called
to scrape abnormal tissue, or
tissue for analysis, from the lining of a
body cavity or from the skin.
The scraping of the
wall of a cavity or other surface with a
. Dental curettage is one
method used to remove the lining of
periodontal pockets and diseased tis-
sue from root surfaces in
A spoon-shaped surgical instru-
ment for scraping away material or
tissue from an organ, cavity, or surface.
A type of
that occurs specifically in people who
have suffered extensive skin burns.
A hormonal dis-
order caused by an abnormally high
blood. Cushing's syndrome is character-
ized by a red moon-shaped face, wasting
of the limbs, thickening of the trunk, and
a humped upper back. Other symptoms
rotates to remain
CT scanner tilts forwards
generates a beam
of X-rays and
after each scan