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).
Disease, mitochondrial
>An eye disease called Leber's hereditary optic atrophy; >A type of epilepsy called MERRF which stands for Myoclonus Epilepsy with Ragged Red Fibers; and >A form of dementia called MELAS for Mitochondrial Encephalopathy, Lactic Acidosis…
Read the definitionRandom terms
Show more- Hormone, antidiuretic (ADH) A relatively small (peptide) molecule that is released by the pituitary gland at the base of the brain after…
- Gyn- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- G (drug caution code) Abbreviation on a medication that stands for 'glaucoma' and indicates the medication can cause problems for a…
- Benign lymphoreticulosis Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…
- Cryptic Hidden. Cryptic tonsillitis is hidden within the depths of the tonsil. From the Greek 'kryptos' meaning…
- Anatomy, gross Better known among medical students simply as 'gross', gross anatomy is the study of the form of structures…
- Myeloproliferative disorders Malignant diseases of certain bone marrow cells including those that give rise to the red blood cells, the…
- Mucocutaneous lymph node syndrome A syndrome of unknown origin that mainly affects young children. It causes fever, reddening of the eyes…
- Big toe sign An important neurologic examination based upon what the big toe (and other toes) do when the sole of the foot…
- Pickwickian syndrome The combination of obesity, somnolence (sleepiness), hypoventilation (underbreathing), and plethoric (red)…
- Blood sugar Blood glucose. See also: High blood sugar; Low blood sugar
- LFCN Lateral femoral cutaneous nerve. See also: Meralgia paresthetica