MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Gray matter
The cortex of the brain which contains nerve cell bodies. The gray matter is in contrast to the white matter, the part of the brain that contains myelinated nerve fibers. The gray matter is so named because it in fact appears gray. The…
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- Ankylosis Stiffness or, more often, fusion of a joint. From the Greek ankylsis, meaning stiffening of a joint
- Carditis Inflammation of the heart
- False labor Intermittent non-productive muscular contractions of the womb (uterus) during pregnancy, most commonly in the…
- Chronic obstructive lung disease (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Toxoplasmosis (toxo) Toxoplasmosis (toxo): An infection caused by a single-celled parasite named Toxoplasma gondii that may invade…
- MtDNA Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell…
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Ehrlich, Paul (1854-1915) Renowned German scientist and physician. Born near Breslau, Ehrlich got his start there working…
- Chancroid A sexually transmitted infection (STI) caused by the bacterium Haemophilus ducreyi. Periodic outbreaks of…
- Finished DNA sequence A DNA sequence in which the bases are identified to an accuracy of no more than 1 error in 10,000 and are…
- Fungistatic Capable of inhibiting the growth of fungi