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).
Systole, extra
See: Extrasystole
Read the definitionRandom terms
Show more- Neurosis A chronic disorder featuring irritability of the nervous system (nervousness) and characterized by anxiety…
- Fear of demons S (demons): An abnormal and persistent fear of evil supernatural beings in persons who believe such beings…
- Cortisol The primary stress hormone. Cortisol is the major natural GLUCOCORTICOID (GC) in humans
- Compress 1. As a noun, a cloth or another material applied under pressure to an area of the skin and held in place for…
- Beta-secretase An enzyme that appears to be directly involved in the early development of Alzheimer's disease…
- ACEI ACE inhibitor
- Sterilization, female surgical Female surgical sterilization blocks (or removes part or all of) the fallopian tubes so the egg cannot travel…
- Exogenous DNA DNA originating outside an organism
- Nerve, optic The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina. The…
- Cholangitis, sclerosing See: Primary sclerosing cholangitis
- Annexin A1 One of the annexins, a family of proteins that share the property of binding calcium and phospholipids. The…
- High blood sugar An elevated level of the sugar glucose in the blood. Also called hyperglycemia. High blood sugar is a finding…