Medical terms - Letter T (page 4) | MedicalVocabulary.org

Tension, arterial

The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure. For example, elevated blood pressure is referred to as hypertension.
Tension, intraocular

The pressure within the eye
Tension, intravenous

The pressure of the blood within a vein, the venous pressure
Tent, oxygen

A tent-like device used to deliver high levels of oxygen to a patient in a bed. The tent typically covers the whole bed of an infant and the head and upper body of an older child or adult. The oxygen is pumped in from a…
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…
Ter in die (on prescription)

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…
Teratogen

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…
Teratogen, coumadin as

The anticoagulant ('blood- thinner') coumadin is a known teratogen, an agent that can disturb the development of the embryo and fetus and lead to birth defects. Coumadin taken by a woman during pregnancy can cause…
Teratogen, Ecstasy as

Ecstasy is an illicit drug considered a recreational or party drug. It acts as both a stimulant and a hallucinogen. The chemical name is methylenedioxymethamphetamine (MDMA). Ecstasy is considered a possible teratogen…
Teratogen, warfarin as

Warfarin as: The anticoagulant warfarin (COUMADIN) is a known teratogen, an agent that can disturb the development of the embryo and fetus and lead to birth defects. Warfarin taken by a woman during pregnancy can cause…
Teratogenic

Able to disturb the growth and development of an embryo or fetus. See also: Teratogen and Teratogenic drugs
Teratogenic drugs

A teratogen is an agent that can disturb the development of the embryo or fetus. Teratogens halt the pregnancy or produce a congenital malformation (a birth defect). Classes of teratogens include radiation, maternal…
Teratoma

A type of germ cell tumor that may contain several different types of tissue and sometimes mature elements such as hair, muscle, and bone. Teratomas occur most often in the ovary, testis, and in the sacrococcygeal…
Teratoma, ovarian

Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically contains a diversity of tissues including hair, teeth, bone, thyroid, etc. A dermoid cyst develops from a…
Teratophobia

Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and panic. Phobias are a relatively common type of anxiety disorder. Phobias can be treated with cognitive behavioral…
Teres minor muscle

>The teres minor muscle; >The infraspinatus muscle, which (like the teres minor) helps in the outward turning (external rotation) of the arm. >The supraspinatus muscle which is responsible for elevating the arm and…
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 primarily the small and large intestines but which can occur…
Termination codon

See: Stop codon
Test, allergy scratch

Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger for an allergic reaction. A small amount of the suspected allergy-provoking substance is placed on the skin…
Test, allergy skin

Allergy skin: Test done on the skin to identify the allergy substance (the allergen) that is triggering the allergic reaction. A small amount of the suspected allergy-provoking substance is placed on the skin. The skin…
Test, auditory brainstem response

A widely used test of the newborn baby as to their neurologic status and developmental progress. The Brazelton newborn test is formally called the Neonatal Behavioral Assessment Scale (NBAS). However, the NBAS which was…
Test, Brazelton

A widely used test of the newborn baby as to their neurologic status and developmental progress. The Brazelton newborn test is formally called the Neonatal Behavioral Assessment Scale (NBAS). However, the NBAS which was…
Test, CA 125

See: CA 125
Test, carcinoembryonic antigen

See: Carcinoembryonic antigen
Test, CEA

CEA (carcinoembryonic antigen) is a protein found in many types of cells but associated with tumors and the developing fetus. CEA is tested in blood. The normal range is <2.5 ng/ml in an adult non-smoker and <5.0…
Test, child development

A test of the status of a newborn, an infant or young child as regards their developmental progress. One of the first tests was devised by the pioneering pediatrician and child psychologist Arnold L. Gesell (1880-1961)…
Test, Denver Developmental Screening

The Denver Developmental Screening Test (DDST) is a widely used assessment for examining children 0-6 years of age as to their developmental progress. The name 'Denver' reflects the fact that this screening test was…
Test, EPO

A test of the hormone EPO (erythropoietin) in blood. The EPO level can indicate bone marrow disorders, kidney disease, or EPO abuse. Testing EPO blood levels is of value if: > >Too little EPO might be responsible for…
Test, erythropoietin

A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean bone marrow or kidney disease or EPO abuse. Testing EPO blood levels is thus of value if: > >Too little EPO might be responsible for…
Test, exercise

A test (sometimes called the treadmill test or exercise treadmill test) in which a continuous electrocardiogram (ECG or EKG) recording of the heart is made as the patient performs increasing levels of exercise on the…
Test, exercise cardiac stress

The exercise cardiac stress test (ECST) is the most widely used cardiac (heart) screening test. The patient exercises on a treadmill according to a standardized protocol, with progressive increases in the speed and…
Test, exercise treadmill

A test (sometimes simply called a treadmill test or exercise test) in which a continuous electrocardiogram (ECG or EKG) recording of the heart is made as the patient performs increasing levels of exercise on the…
Test, eye chart

This test measures how well you see at various distances. The eye chart itself -- the usual one is called Snellen's chart -- is imprinted with block letters that line-by-line decrease in size, corresponding to the…
Test, eyedrop

There are many types of eyedrops and many types of eyedrop tests. One of the most common eyedrop tests is pupil dilation. This examination enables your eye care professional to see more of your retina, the…
Test, fecal occult blood

Fecal occult blood: A test to check for hidden blood in the feces, the stool
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…
Test, fluorescent treponemal antibody absorbed

-ABS): A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific antibodies directed against the organism (Treponema pallidum) responsible for syphilis. The fluorescent…
Test, FTA-ABS

FTA-ABS stands for fluorescent treponemal antibody absorbed, a blood serum screening test for syphilis designed to demonstrate the presence or absence of specific antibodies directed against the organism (Treponema…
Test, Gesell Developmental

A measure of child development devised by the American child psychologist and pediatrician Arnold Gesell (1880-1961) why founded the Clinic of Child Development at Yale in 1911 and directed it for many years. There he…
Test, glucose tolerance

A blood test done to make the diagnosis of diabetes mellitus. The test may also be done for other purposes such as to diagnose hypoglycemia (low blood sugar) or a malabsorption syndrome in which sugar is not absorbed…
Test, inkblot

A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what a person perceives (reads into) in the enigmatic and highly ambiguous shapes. Ten standardized blots are…
Test, nerve conduction

See: Nerve conduction velocity test
Test, NSE

Neuron-specific enolase (NSE) is a substance that has been detected in patients with certain tumors, namely: neuroblastoma, small cell lung cancer, medullary thyroid cancer, carcinoid tumors, endocrine tumors of the…
Test, ovarian cancer CA 125

A screening test for cervical cancer based on the examination under the microscope of cells collected from the cervix, smeared on a slide and specially stained to reveal premalignant (before cancer) and malignant…
Test, Pap

A screening test for cervical cancer based on the examination under the microscope of cells collected from the cervix, smeared on a slide and specially stained to reveal premalignant (before cancer) and malignant…
Test, pharmacologic stress

There are a diversity of pharmacologic stress tests. Here this refers specifically to a pharmacologic cardiac stress test in which certain medications are administered that stimulate the heart to mimic the physiologic…
Test, physiologic stress

Although there can be a diversity of physiologic stress tests, this refers here to a physiologic cardiac stress test in which certain medications are administered that stimulate the heart to mimic the physiologic…
Test, prostate specific antigen

See: PSA
Test, PSA

See: PSA
Test, pupil dilation

An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of tissue at the back of the eye. Dilating (widening) the pupil permits the retina to be examined for signs of…