Dictionary

TMJ syndrome Temporomandibular joint syndrome.

TMJ Temporomandibular joint.

TMA Trimethylaminuria. See fish-odor syndrome.

titre See titer.

titer The concentration of a substance in a fluid, such as the concentration of an antibody in blood. The titer reflects the amount of the substance in the fluid. Sometimes also spelled titre.

tissue A group or layer of cells that perform specific functions. For example, muscle tissue is a group of muscle cells.

tinnitus Ringing in the ears. Tinnitus has many causes, including some medications (including aspirin and other anti-inflammatory drugs), diseases such as Ménière’s disease, aging, and ear trauma.

Tinel’s sign The sign that a nerve is irritated. Tinel’s sign is positive when lightly banging (percussing) over the nerve elicits a sensation of tingling, or “pins and needles,” in the distribution of the nerve. For example, in carpal tunnel syndrome, where the median nerve is compressed at the wrist, the test for Tinel’s sign…

tinea unguium See onychomycosis.

tinea incognito Tinea corporis that has been modified by the application of high-potency topical steroids in a way that renders it no longer typical in appearance and makes it difficult to diagnose.

tinea cruris See jock itch.

tinea corporis A fungal infection (known as ringworm) of the skin with characteristic spots that have an “active” outer border as they slowly grow and advance. Many antifungal creams can clear the condition in approximately two weeks.