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Medical Dictionary Terms Beginning with T
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Tension, intraocular
Tension, intraocular: The pressure within the eye.more detail info...
Tension, intravenous
Tension, intravenous: The pressure of the blood within a vein, the venous pressure.more detail info...
Tenth cranial nerve
Tenth cranial nerve: The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves, the vagus nerve included, emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge frommore detail info...
Teratoma, ovarian
Teratoma, ovarian: Tumor that develops from a totipotential germ cell (a primary oocyte) retained within the egg sac (ovary). Being totipotential, that cell can give rise to all orders of cells necessary to form mature tissues and often recognizable stmore detail info...
Teres minor muscle
Teres minor muscle: A muscle that assists the lifting of the arm during outward turning (external rotation) of the arm. The tendon of the teres minor muscle is one of four tendons that stabilize the shoulder joint and constitute the rotator cuff. Each omore detail info...
Terminal ileitis
Terminal ileitis: Crohn’s disease, a chronic inflammatory disease of the intestine involving only the end of the small intestine (the terminal ileum). Crohn’s disease affects primarilythe small and large intestines but which can occur anywhermore detail info...
Test, Fisher’s exact
Test, Fisher’s exact: A statistical test of independence much used in medical research. It tests the independence of rows and columns in a 2 X 2 contingency table (with 2 horizontal rows crossing 2 vertical columns creating 4 places for data) basemore detail info...
Test, glucose tolerance (GTT)
Test, glucose tolerance (GTT): After fasting, a specific amount (100 grams) of glucose is given by mouth, and the blood levels of this sugar are measured every hour. Normally, the blood glucose should return to normal within 2 to 2 ╜ hours. The GTT ismore detail info...
Test, Pap
Test, Pap: The examination under the microscope of cells collected from the cervix, smeared on a slide and specially stained to reveal premalignant and malignant changes as well as changes due to noncancerous conditions such as inflammation. Themore detail info...
Test, prostate specific antigen
Test, prostate specific antigen: A test used to screen for cancer of the prostate and to monitor treatment. PSA is a protein produced by the prostate gland. Although most PSA is carried out of the body in semen, a very small amount escapes into tmore detail info...
Test, PSA
Test, PSA: A test used to screen for cancer of the prostate and to monitor treatment. PSA is a protein produced by the prostate gland. Although most PSA is carried out of the body in semen, a very small amount escapes into the blood stream. The Pmore detail info...
Test, skin, for allergy
Test, skin, for allergy: Test done on the skin to identify the allergy substance (allergen) triggering the allergic reaction. A small amount of the suspected allergy substance is placed on the skin. The skin is then gently scratcmore detail info...
Test, tilt-table
Test, tilt-table: Tilt-table testing involves placing the patient on a table with a foot-support. The table is tilted upward and the blood pressure and pulse are measured and symptoms are recorded with the patient in diverse positions. The tilt-tablemore detail info...
Testicles
Testicles: The testicles (also called testes or gonads) are the male sex glands. They are located behind the penis in a pouch of skin called the scrotum. The testicles produce and store sperm, and they are also the body's main source of male hormonemore detail info...
Testing, anonymous
Testing, anonymous: Testing in which no name or other means is used to identify the person tested. There is total anonymity. For example, the State of Florida requires that each county have a site for anonymous HIV testing.more detail info...
Testosterone
Testosterone: A male sex hormone.more detail info...
Tetanus
Tetanus: An often fatal infectious disease due to a bacteria (Clostridium tetani) that usually enters the body through a puncture, cut or open wound. Tetanus leads to profound painful spasms of muscles, including&locking& of the jaw smore detail info...
Tetraphocomelia-thrombocytopenia syndrome
Tetraphocomelia-thrombocytopenia syndrome: See TAR syndrome.more detail info...
Thai hemorrhagic fever
Thai hemorrhagic fever: A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). Known also as dengue hemorrhagic fever (DHF), it starts abruptlymore detail info...
Thalassemia
Thalassemia: Not just one disease but rather a complex series of genetic (inherited) disorders all of which involve underproduction of hemoglobin, the indispensable molecule in red blood cells that carries oxygen. The globin part of hemoglobin is mademore detail info...