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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Rhinitis, allergic
The medical term for hayfever. (Hay fever is a misnomer since hay is not a usual cause of this problem and there is no fever. Many substances cause the allergic symptoms in hay fever. Allergic rhinitis is the correct term for this allergic…
Read the definitionRandom terms
Show more- Dacryoadenitis Inflammation of a lacrimal gland (a gland that produces tears)
- Four-finger crease See: Simian crease
- Nanism Once known as dwarfism, this condition is now correctly called short stature.
- Acute coronary syndromes A spectrum of conditions involving chest discomfort or other symptoms caused by lack of oxygen to the heart…
- Muscle, papillary Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…
- Word blindness A neurological disorder characterized by loss of the ability to read or understand the written word. Word…
- Walleye 1. A dense white opacity (leukoma) of the cornea. 2. Divergent strabismus (exotropia) in which the eye turns…
- LASIK LASIK: Abbreviation standing for laser-assisted in situ keratomileusis, a kind of laser eye surgery designed…
- Androgen insensitivity syndrome, complete A genetic disorder that makes XY fetuses insensitive (unresponsive) to androgens (male hormones). Instead…
- Gene The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a…
- Pseudorubella Synonymous with Roseola infantum, a viral disease of infants sudden onset of high fever which lasts several…
- Voyeurism Eping Tom'): Voyeurism is a disorder that involves achieving sexual arousal by observing an unsuspecting and…