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.
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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).
Encephalopathy, mitochondrial (MELAS)
MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Strokelike episodes. MELAS is a form of dementia. It is caused by mutations in the genetic material (DNA) in the mitochondria. While most of our DNA is in the…
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Show more- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Whitmore's disease An infectious illness, also called melioidosis, that is most frequent in Southeast Asia and Northern…
- Angiostrongylus infection Also called angiostrongyliasis. See: Angiostrongyliasis
- Berlin Heart The name of a company in Berlin, Germany and of a ventricular assist device it makes. The device works by…
- M.D. Abbreviation for the Latin title Medicinae Doctor, Doctor of Medicine. Sometimes written today as MD (without…
- Fornix In anatomy, a vaultlike or arched structure. For example: > >The fornix in the brain -- a fibrous arching…
- Hepatitis, non-A, non-B The old name for hepatitis C when the causative virus had not been identified but it was known not to be…
- Blastomyces dermatitidis The fungus that causes a disease called blastomycosis
- Lauterbur See: Lauterbur, Paul C.
- Lethal Deadly, fatal, capable of causing death, death-dealing. The word 'lethal' comes from the Latin 'letum'…
- Node Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid…
- Diarrhea, Brainerd A syndrome characterized by the acute onset of watery nonbloody diarrhea (3 or more loose stools per day)…