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).
Flail chest
When enough ribs are broken (usually from a crush injury) to compromise the rigidity of the chest wall. On inspiration, the chest wall moves inward instead of outward and the opposite on expiration
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Show more- Clinical social worker, licensed See: Licensed clinical social worker
- Reaction, allergic A reaction that occurs when the immune system attacks a usually harmless substance (an allergen) that gains…
- Immunization, pneumococcal One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine…
- Death rate The number of deaths in the population divided by the average population (or the population at midyear) is…
- Uridine monophosphate (UMP) A molecular ion derived from uridylic acid. It has a uracil as its base
- Loa loa The eye worm, a parasite that lives in humans and other primates. People contract the parasite when bitten by…
- Liver spot A pigmented flat spot on sun-exposed skin in older adults, especially on the back of the hands and on the…
- Osteoclasis The surgical destruction of bone tissue. Osteoclasis is performed to reconstruct a bone that is malformed…
- Polymyalgia rheumatica (PMR) A disorder of the muscles and joints of older persons characterized by pain and stiffness, affecting both…
- Growth differentiation factor 8 Also called myostatin. See: Myostatin
- Echovirus A group of viruses found in the gastrointestinal tract. The 'echo' part of the name stands for enteric…
- Potassium excess Too much potassium in the blood, usually because of kidney impairment. This state is termed hyperkalemia. For…