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).
Frailty syndrome
A condition, seen particularly in older patients, characterized by low functional reserve, easy tiring, decrease of libido, mood disturbance, accelerated osteoporosis, decreased muscle strength, and high susceptibility to disease. People…
Read the definitionRandom terms
Show more- Allergy desensitization Stimulation of the immune system with gradually increasing doses of the substances to which a person is…
- Personality disorder A disorder characterized by the chronic use of mechanisms of coping in an inappropriate, stereotyped, and…
- OS (lens prescription) Abbreviation of 'oculus sinister.' Latin for 'left eye.' By contrast, OD stands for 'oculus dexter' which is…
- Lancet See: Lancing device.
- Foot The end of the leg on which a person normally stands and walks. The foot is an extremely complex anatomic…
- HDR syndrome The syndrome of familial Hypoparathyroidism, sensorineural Deafness, and Renal dysplasia. Inherited as an…
- Nodule A small solid collection of tissue, a nodule is palpable (can be felt). It may range in size from greater…
- FMF (familial Mediterranean fever) An inherited disorder featuring short recurring crises of severe abdominal pain and bouts of fever. Other…
- Bioinformatics The sum of the computational approaches to analyze, manage, and store biological data. Bioinformatics…
- Connexin 26 Also known as gap junction beta 2, or GJB2. See: GJB2. See also: Connexin
- Acanthosis nigricans A skin condition characterized by dark thickened velvety patches, especially in the folds of skin in the…
- Range of motion The range through which a joint can be moved, usually its range of flexion and extension. Due to an injury…