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).
Atherosclerosis
A process of progressive thickening and hardening of the walls of medium-sized and large arteries as a result of fat deposits on their inner lining. Risk factors for atherosclerosis include high levels of 'bad' cholesterol, high blood…
Read the definitionRandom terms
Show more- Osteogenesis imperfecta tarda See: Osteogenesis imperfecta type I.
- Cadaver A dead human body that may be used by physicians and other scientists to study anatomy, identify disease…
- Cardiac stress testing, exercise The exercise cardiac stress testing (ECST) is the most widely used cardiac (heart) screening test. The…
- Genome annotation The process of identifying the locations of genes and all of the coding regions in a genome and determining…
- Freckles Freckles: See: Freckle.
- Pax3 One in a family of Pax genes involved in regulating embryonic development at the level of transcription. The…
- Accessory neuropathy Disease of the accessory nerve which is the eleventh cranial nerve. The accessory nerve supplies the…
- Pleural effusion Excess fluid between the two membranes that envelop the lungs. These membranes are called the visceral and…
- Beta particle An electron ejected from the nucleus of a decaying atom. Although beta particles can be stopped by a thin…
- Complete androgen insensitivity syndrome A genetic disorder that makes XY fetuses insensitive (unresponsive) to androgens (male hormones). Instead…
- Yellow jacket sting A sting from a yellow jacket (or other large stinging insects such as bees, hornets and wasps) can trigger…
- Reaction, hibernation See: SAD