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).
Muscular dystrophy, myotonic
Myotonic dystrophy, an inherited disease in which the muscles contract but have decreasing power to relax -- this phenomenon is termed myotonia (irritability and prolonged contraction of muscles). The disease also produces leads to a…
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Show more- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Naris One of the two nares, the openings to the nasal cavities that allow air to flow in and out or, more simply, a…
- Syncope, coughing The temporary loss of consciousness upon coughing. Syncope is the temporary loss of consciousness or, in…
- Chloroprene A possible carcinogen (cancer-causing agent) primarily used in the production of the elastomer…
- Ribozyme An RNA molecule that can catalyze its own chemical reactions
- Connexin A subunit of connexon, a protein that forms a gap junction, a channel that permits ions and small molecules…
- Base in DNA A unit of the DNA. There are 4 bases: adenine (A), guanine (G), thymine (T), and cytosine (C). The sequence…
- Unassisted childbirth Birth of a baby without the assistance of an obstetrician, midwife, or other health professional. This may be…
- Euthanasia, active The active acceleration of a 'good' death by use of drugs etc, whether by oneself or with the aid of a…
- Chylomicron A small fat globule composed of protein and lipid (fat). Chylomicrons are found in the blood and lymphatic…
- Posture, neutral See: Neutral posture
- Folic acid One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (DNA and RNA). A…