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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «T»:

  1. Tongue Tongue
    Tongue: The tongue is a strong muscle anchored to the floor of the mouth. It is covered by the lingual membrane which has special areas to detect tastes. The tongue is composed of muscles attached to the lower jaw and to the hyoid bone (a small, U-shaped bone that lies deep in the muscles at the bac...
  2. Tongue base Tongue base
    Tongue base: See: Base of tongue....
  3. Tongue cancer Tongue cancer
    Tongue cancer: Malignancy of the tongue; squamous cell carcinoma of the tongue. Risk factors include smoking tobacco, smokeless tobacco, heavy alcohol intake, and dentures. Tongue cancer usually occurs after the age of 40, with men affected more than women. Tongue cancer is divided into that on the...
  4. Tongue tie Tongue tie
    Tongue tie: A minor congenital anomaly (birth defect) in which the flap of mucous membrane under the tongue (known as the frenum) is too short and limits the normal mobility of the tongue. The medical term for this condition is ankyloglossia. The name "tongue tie" reflects the folk belief that the...
  5. Tongue, anterior Tongue, anterior
    Tongue, anterior: See: Anterior tongue....
  6. Tonic-clonic seizure Tonic-clonic seizure
    Tonic-clonic seizure: The classic type of epileptic seizure consisting of two phases to a tonic-clonic seizure -- the tonic phase and the clonic phase. In the tonic phase the body becomes entire rigid, and in the clonic phase there is uncontrolled jerking. Tonic-clonic seizures may or may not be ...
  7. Tonometry Tonometry
    Tonometry: A standard eye test that determines the fluid pressure inside the eye. Increased pressure is a possible sign of glaucoma, a common and potentially very serious eye problem if not detected and treated promptly. It is recommended that adults over age 40 have tonometry for glaucoma ever...
  8. Tonotopic Tonotopic
    Tonotopic: Pertaining to the spatial arrangement of where sound is perceived, transmitted, or received. There is tonotopy in the cochlea, the small snail-like structure in the inner ear that sends information about sound to the brain. There is also tonotopy in the human auditory cortex, that part of...
  9. Tonotopy Tonotopy
    Tonotopy: The spatial arrangement of where sound is perceived, transmitted, or received. There is tonotopy in the cochlea, the small snail-like structure in the inner ear that sends information about sound to the brain. There is also tonotopy in the human auditory cortex, that part of the brain that...
  10. Tonsil stone Tonsil stone
    Tonsil stone: A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets (crypts) in the tonsils that typically form in chronic recurrent tonsillitis and harbor bacteria. The stones are foul-smelling. They tend to contain high quantities of sulfa. Wh...
  11. Tonsillectomy Tonsillectomy
    Tonsillectomy: The surgical removal of both tonsils. A tonsillectomy may be performed in cases of recurrent tonsillitis, or treat sleep apnea and some speech disorders. ...
  12. Tonsillitis Tonsillitis
    Tonsillitis: Inflammation of the of a tonsil, typically as a result of infection by either a virus or bacteria. ...
  13. Tonsillolith Tonsillolith
    Tonsillolith: A tiny stone (calculus) in the tonsils. Also referred to as a tonsillith. These stones, called tonsilloliths, are found within little pockets (crypts) in the tonsils that typically form in chronic recurrent tonsillitis and harbor bacteria. The stones are foul-smelling. They tend to co...
  14. Tonsils Tonsils
    Tonsils: Small masses of lymphoid tissue at the back of the throat, on either side of the throat....
  15. Tooth Tooth
    Tooth: The structures within the mouth that allow for biting and chewing. Teeth have different shapes, depending on their purpose. The sharp canine and frontal teeth allow for biting, while the flattened, thick molars in the back of the mouth provide grinding surfaces for masticating food. All...