Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «T»:
Tachycardia, ventricular: An abnormally rapid heart rhythm
that originates from a ventricle, one of the lower chambers of the heart. Although the beat is regular, ventricular tachycardia is life-threatening because it can lead to a dreaded condition, ventricular fibrillation.
In ventricular fibr...
Tachypnea: (Pronounced tack-ip-nea.) Abnormally fast breathing. A respiratory rate that is too rapid. The normal rate of respirations (breaths per minute) depends on a number of factors, including the age of the individual and the degree of exertion.
The prefix tachy- means swift or rapid; it comes...
Tacrolimus: A drug that suppresses the immune system and prevents transplant rejection. The drug acts by inhibiting the activation of T cells.
The brand name of tacrolimus is Prograf and the brand name of tacrolimus ointment is Protopic. For further information, see: Tacrolimus.....
Tactile: Having to do with touch....
Tactile device: A mechanical instrument that makes use of touch to help individuals who have certain disabilities, such as deaf-blindness, to communicate....
Taenia: In medicine, taenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy, taenia refers to a band or a
line and applies to several bands and lines of
nervous matter in the brain. In Latin, taenia means a
ribbon or tape. Taenia is also spelled...
Taenia armata: Taenia solium....
Taenia asiatica: A species of tapeworm found in Taiwan, Korea, Indonesia, Vietnam, and China, where rural people eat uncooked home-produced pork-containing organs....
Taenia dentata: Taenia solium....
Taenia saginata: The beef tapeworm. The most common of the big tapeworms that
parasitizes people, contracted from infected raw or rare beef. Can grow to be 12-25 feet (3.6-7.5 m) long in the human intestine. Also known as the African tapeworm. ...
Taenia solium: The pork tapeworm. Contracted from eating undercooked or measly pork (pork infected with the larval forms of the tapeworm).
Taenia solium causes two different diseases -- taeniasis and cysticercosis.
Taeniasis develops when the adult tapeworm infests the human intestine. The worm...
Taeniasis: Infection with any of the tapeworms of the genus Taenia. Humans taeniasis can be caused by eating pork or beef contaminated with the larval stage of the pork tapeworm, Taenia solium, or the beef tapeworm, Taenia saginata....
Tag, ear: Common
minor anomaly, a rudimentary tag of ear tissue, often containing a core cartilage, usually
located just in front of the ear (auricle). Therefore, also called preauricular tag. The
presence of 2 or more minor anomalies in a child increases the probability that the child
has a major...
Preauricular tag: A common minor anomaly, this is
a rudimentary tag of ear tissue. It often contains a core of cartilage.
The tag is typically located just in front of the ear (auricle) and
is therefore called a preauricular tag....
Tag, skin: A small tag of skin that may have a stalk (a peduncle). Skin tags may appear on the skin almost anywhere although the favorite locales are the eyelids, neck, armpits (axillae), upper chest, and groin.
Invariably benign, this tiny tumor of the skin usually causes no symptoms unless repe...