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.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
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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Nitrogenous base
A molecule that contains nitrogen and has the chemical properties of a base. The nitrogenous bases in DNA are adenine (A), guanine (G), thymine (T), and cytosine (C). The nitrogenous bases in RNA are the same with one exception: adenine…
Read the definitionRandom terms
Show more- Fear of work An abnormal and persistent fear of work. Sufferers of this fear experience undue anxiety about the workplace…
- Amyotrophic lateral sclerosis 3 ALS3. An adult-onset form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner…
- Sinuous Curving in and out; in a serpentine, wavy form; winding. From the Latin noun 'sinus,' which means 'curve…
- Smell See Olfaction
- Sarcoidosis Sarcoidosis: A disease of unknown origin that causes small lumps (granulomas) due to chronic inflammation to…
- Chargaff's rule See: Chargaff rule
- Hemochromatosis Hemochromatosis (iron overload) is an inherited disorder in how the body absorbs and stores iron. The excess…
- Juxtaarticular The prefix 'juxta-' comes from the Latin preposition meaning near, nearby, close. Juxtaarticular is composed…
- Joshua Lederberg See: Lederberg, Joshua
- Alteplase Alteplase: Generic name of a tissue plasminogen activator produced by recombinant DNA technology. The brand…
- Teratoma, ovarian Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- GLA 1. Alpha-galactosidase A, the enzyme that is deficient in Fabry disease.2. Gamma-linolenic acid, an essential…