Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «T»:
Taste bud: One of the tiny, barrel-shaped endings of the gustatory nerve located around the base of the papillae (small bumps) on the tongue....
Tattoo: The permanent insertion of ink or other pigments below the skin using a sharp instrument. Humans have done tattooing for cosmetic and ritual purposes since at least the Neolithic era. In the Western world, tattooing has historically served as a brand of criminality, a sign of shame (like "Th...
Tattoo removal: Those who regret getting a
tattoo have three choices: hide it, cover it with a better
tattoo, or have it removed. The most effective form of
tattoo removal is the use of a laser to destroy the ink
itself. Multiple treatments may be needed, depending on the
size of the piece and ...
Tattoos & permanent makeup
Tattoos & permanent
makeup: The intradermal application of inks for the purpose of tattooing or
permanent makeup (also known as micropigmentation).
The pigments in these inks raise concerns about tattoo removal, adverse reactions to tattoo colors, and infections that result from tatt...
Tay-Sachs disease: A genetic metabolic disorder caused by deficiency of the enzyme hexosaminidase A (hex-A) that results in a failure to process a lipid called GM2 ganglioside that accumulates in the brain and other tissues. Abbreviated TSD.
The classic form of TSD begins in infancy. The child usua...
TB: Common abbreviation (spelled out T-B) for tuberculosis.
Tuberculosis took its name from the characteristic tubercles (tiny lumps) caused by infection with the bacteria (Mycobacterium tuberculosis) that is responsible for the disease....
TC-99 tetrofosmin scintimammography
TC-99 tetrofosmin scintimammography: Scintimammography is an imaging technique that uses a radioisotope (a radioactive substance) to help visualize the breast and find cancer.
Scintimammography using the radioisotope technetium tetrofosmin (Tc-99 tetrofosmin) can detect breast cancer sometimes in si...
TCM: Traditional Chinese medicine....
Adult diphtheria and tetanus toxoids. See Td immunization....
Td is the vaccine given to children over six and adults as a booster for immunity to diphtheria and tetanus....
Tear: A drop of the salty secretion of the lacrimal glands which serves to moisten the conjunctiva and cornea....
Tear film: The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that polishes the corneal surface, mechanically traps and flushes out foreign bodies and chemicals, contains bacteriostatic substances that inhibit the growth of microorganisms, and reduc...
Tear gas poisoning
Tear gas poisoning: See: Riot control agent poisoning....
Tear gland: The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead to dry eyes. Also called a lacrimal gland....
An old-fashioned but convenient household measure. A teaspoon holds about 5 cc of liquid....