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).
Masseter
The muscle that raises the lower jaw.
Read the definitionRandom terms
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- Sign, Kernig A clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and spinal…
- Adverse drug event See: Adverse reaction
- Xeromammography Xeroradiography of the breast. Xeroradiography is a photoelectric method of recording an x-ray image on a…
- Proximal white subungual onychomycosis The rarest form of fungus infection of the finger or toenail. (Fungus infection of the finger or toenail is…
- Tomography The process for generating a tomogram, a two-dimensional image of a slice or section through a…
- T-suppressor cells T cells that express the CD8 transmembrane glycoprotein (CD8+ T cells). They close down the immune response…
- Lesbianism Female homosexuality. Also called sapphism (after the lesbian poet Sappho)
- Urinary calculus A stone in the urinary tract. The word 'calculus' in Latin means 'a pebble.' Pebbles were once used for…
- Optic nerve The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the…