MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
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Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Adenine (A)
One member of the A-T (adenine-thymine) base pair in DNA. The other base pair in DNA is G-C (guanine-cytosine). Each base pair forms a 'rung of the DNA ladder.' A DNA nucleotide is made of a molecule of sugar, a molecule of phosphoric…
Read the definitionRandom terms
Show more- Spider telangiectasia Spider veins.
- American Journal of Public Health A monthly journal that publishes original research articles that are peer-reviewed in both 'general and…
- Fracture, Salter-Harris A traumatic fracture around or through the growth plate (the epiphyseal plate) of a bone in a child
- Congenital stationary night blindness An inherited eye disorder that is not progressive ('stationary') and principally affects the rod…
- Thrombolytic agent A drug that is able to dissolve a clot (thrombus) and reopen an artery or vein. Thrombolytic agents may be…
- DES Diethylstilbestrol, the earliest synthetic (man-made) form of a hormone in the estrogen class. DES was once…
- Syphilis test (FTA-ABS) The fluorescent treponemal antibody absorbed (FTA-ABS) test for syphilis is a blood serum screening test…
- Transporter gene The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Cholangiogram A radiologic procedure used to look at the gallbladder and bile ducts. See also: Intravenous cholangiogram.
- Gene-expression profiling A genomic technique that based on the fact that only a fraction of the genes encoded in the genome of a cell…
- Heterochromatin, facultative Heterochromatin that need not always be heterochromatic but which has the faculty to return to the normal…
- Triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. It is…