MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
ALA
1. Alpha-linolenic acid 2.Aminolevulinic acid, a naturally occurring chemical in the body that is converted to protoporphryn IX, a light-sensitive compound. Aminolevulinic acid has been used in the photodynamic therapy of skin precancer…
Read the definitionRandom terms
Show more- Single palmar flexion crease See: Simian crease
- Severe acute respiratory syndrome Severe acute respiratory syndrome: A severe form of pneumonia. Abbreviated SARS. A term applied to outbreaks…
- Rheumatoid arthritis, systemic-onset juvenile See: Arthritis, systemic-onset juvenile rheumatoid
- Contig map A map depicting the relative order of a linked library of small overlapping clones representing a complete…
- Omphalocele A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside…
- Recurrent laryngeal nerve One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Nasal Having to do with the nose. Nasal drops are intended for the nose, not (for example) the eyes. The word…
- Neurocysticercosis Infection of the brain by the larval form of the pork tapeworm Taenia solium. Neurocysticercosis is a form of…
- Immunoglobulin D Abbreviated IgD. A class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- Mitochondrial DNA >NARP -- which stands for Neuropathy, Ataxia and Retinitis Pigmentosa:isease with proximal muscle weakness…
- Insomnia, fatal familial See Fatal familial insomnia
- Sore 1. (adjective) A popular term for painful. I have sore fingers from typing dictionary terms. She has a sore…