Category: Ta-Th

Any agent that can disturb the development of an embryo or fetus. Teratogens may cause a birth defect in the child. Or a teratogen may halt the pregnancy outright. The classes of teratogens include radiation, maternal infections, chemicals, and drugs. Drugs known to be capable of acting as teratogens include, but are by no means limited to, ACE inhibitors like benazepril (brand…

Seen on a prescription, tid means three times a day. It is an abbreviation for “ter in die” which in Latin means three times a day. The abbreviation “tid” is sometimes written without a period either in lower-case letters as “tid” or in capital letters as “TID” or with periods as “t.i.d.” However it is…

1) The pressure within a vessel, such as blood pressure: the pressure within the blood vessels. For example, elevated blood pressure is referred to as hypertension. 2) Stress, especially stress that is translated into clenched scalp muscles and bottled-up emotions or anxiety. This is the type of tension blamed for tension headaches.

In medicine, tenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy, tenia refers to a band or a structural line and applies to several bands and lines of nervous matter in the brain. In Latin, tenia means a ribbon or tape. Tenia is also spelled taenia.

Straining to defecate or urinate. Tenesmus refers especially to ineffectual and painful straining for an extended time. Straining to defecate is called rectal tenesmus; straining to urinate is called vesical tenesmus.

The soft tissue by which muscle attaches to bone. Tendons are somewhat flexible, but tough. When a tendon becomes inflamed, the condition is referred to as tendonitis.

Inflammation of a tendon (the tissue by which muscle attaches to bone). Tendinitis most commonly occurs as a result of injury, such as to the tendons around the shoulder or elbow. It can also occur as a result of an underlying inflammatory rheumatic disease, such as reactive arthritis or gout. Tendinitis is synonymous with tendonitis.

A partial or complete loss of consciousness with interruption of awareness of oneself and ones surroundings. When the loss of consciousness is temporary and there is spontaneous recovery, it is referred to as syncope or, in nonmedical quarters, fainting. Syncope accounts for nearly one in every 30 visits to an emergency room. Syncope is due to a temporary…

Also called giant cell arteritis or cranial arteritis, this is a serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels affected by inflammation are the arteries (hence the name “arteritis”). The age of affected patients is usually over 50 years of age. Giant cell arteritis can lead to blindness and/or stroke. It…

1. Pertaining to time, limited in time, temporary, or transient.2. Pertaining to the temple region of the head. The temporallobe of the brain is located beneath the temple.From the Latin tempus which means both time and the temple of the head.