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).
Fear of socializing
Ial phobia): Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating effects on personal and professional relationships. Phobias are persistent, irrational fears of certain objects or…
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Show more- Orthologous gene 1. A term coined by the chemist Linus Pauling who defined it as "the preservation of good health and the…
- Laryngeal dystonia See: Spasmodic dysphonia
- Mastoiditis Inflammation of the mastoid, often secondary to ear infection.
- LAC encephalitis LaCrosse encephalitis, one of the main types of encephalitis caused by an arbovirus in the US. An arbovirus…
- Psoriasis, flexural A form of psoriasis found in the armpits, groin, under the breasts and in other flexion creases (skin folds)…
- Lactase Enzyme that breaks down the milk sugar lactose into glucose and galactose. Persons with a deficiency of…
- System, immune A complex system that is responsible for distinguishing us from everything foreign to us, and for protecting…
- Presentation, footling There are single-footling or double-footling presentations depending upon whether the presenting part of the…
- Mega- (prefix) The combining form 'mega-' comes from the Greek 'megas', great or big and means abnormally large…
- Pregnancy, mask of Pigmentation of the cheeks of the face (malar area) that occurs in about half of women during pregnancy. The…
- Seizure, focal See: Partial seizure
- CCHF Crimean-Congo hemorrhagic fever