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- Fungistat A chemical that keeps fungi from growing. See also: Fungicide
- Pancreatitis, acute See: Acute pancreatitis
- Accessory dwelling unit (ADU) A separate housing arrangement within a single-family home. The ADU is defined by Medicare as a…
- Bone, collar A horizontal bone above the first rib that makes up the front part of the shoulder. The collarbone, also…
- Methyl bromide A fumigant gas that is an effective pesticide. Methyl bromide has been used to treat the soil, grain bins…
- C3 (cervical vertebra) The third cervical (neck) vertebra from the top
- Word deafness See: Auditory aphasia
- Analog In biochemistry, a substance that is similar, but not identical, to another
- Disease, polycystic kidney See Polycystic kidney disease
- Superbug An informal term for a bacterium that has become resistant to antibiotics usually used to treat it, as…
- Andro Short for androstenedione, a normal precursor to testosterone and other androgens. Taking andro can raise…
- DNA technology, recombinant A series of procedures used to join together (recombine) DNA segments. A recombinant DNA molecule is…