A test that counts the number of T-suppressor (T-8) cells in the bloodstream. It appears that some T-8 cells secrete a substance that can kill the HIV virus, so a high count is believed to be a good indicator for people with HIV (AIDS).
See also T- suppressor cells.
- t.i.d. (on prescription)
If a medicine is to be taken every so-many hours, it is written “q_h”; the “q” standing for “quaque” and the “h” indicating the number of hours. So, for example, “2 caps q4h” means “Take 2 capsules every 4 hours.”
- T1-T12 (thoracic vertebrae)
The symbols T1 through T12 represent the 12 thoracic vertebrae. The thoracic vertebrae are situated between the cervical (neck) vertebrae and the lumbar vertebrae. The thoracic vertebrae provide attachment for the ribs and make up part of the back of the thorax (the chest).
Thyroxine, a thyroid hormone. The number 4 is sometimes in subscript.
- Tabes dorsalis
Slowly progressive degeneration of the spinal cord that occurs in the tertiary (third) phase of syphilis a decade or more after originally contracting the infection. Among the terrible features of tabes dorsalis are lancinating lightning-like pain, ataxia (wobbliness), deterioration of the nerves to the eyes (the optic nerves) leading to blindness, urinary incontinence, loss of […]
In anatomy, one of the two layers of compact bone that make up the interior and exterior walls of the cranium. They are the plates of the skull and are separated from each other by the diploe which is a soft spongy material containing bone marrow.