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).
Calcium deficiency
A low level of calcium in the blood (hypocalcemia) which can make the nervous system highly irritable causing tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, and overly active reflexes). Chronic calcium deficiency…
Read the definitionRandom terms
Show more- Noonan syndrome (NS) Noonan syndrome (NS): A multifaceted genetic disorder characterized by a series of birth defects (congenital…
- Omphalocele A birth defect in which part of the intestine, covered only by a thin transparent membrane, protrudes outside…
- Vasculitis, retinal Vasculitis, retinal: The retina is the portion of the eye that contains the nerves of sensation that perceive…
- Pinkeye Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…
- Sexagenarian Someone in his or her sixties. See also: Age by decade
- Headache, tension A headache caused by contracting of the muscles in the back of the neck, on the scalp, and sometimes in the…
- Tunnel vision Loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like…
- DNA repair The body has a series of special enzymes to repair mutations (changes) in the DNA and restore the DNA to its…
- Organisation Mondiale de la Sante The French name for the World Health Organization (WHO). See: World Health Organization
- Reflux, esophageal A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Pancytopenia, Fanconi See Fanconi anemia
- GI tract Short for gastrointestinal tract. See: Gastrointestinal tract