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).
Physician assistant (PA)
>Medical histories and physical examinations: a PA is usually can perform histories and physical examinations that do not go beyond a particular level. >Laboratory tests: a PA can order any test which he or she is competent to interpret…
Read the definitionRandom terms
Show more- Visual evoked response VER. A type of electrophysiologic retinal testing done to measure the electrical potential resulting from a…
- Pyelonephritis Bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or chronic (slow, subtle, and…
- Lymphoid tissue A part of the body's immune system that helps protect it from bacteria and other foreign entities. Lymphoid…
- Tropical typhus See Typhus, scrub
- HELLP syndrome A syndrome featuring a combination of 'H' for hemolysis (the breakdown of red blood cells), 'EL' for elevated…
- Sign, Tinel's An examination test that is used by doctors to detect an irritated nerve. Tinel's sign is performed by…
- Vaccine, Sabin polio See: Polio vaccine, oral
- Acetic acid The acid most commonly associated with vinegar. Acetic acid is a two-carbon carboxylic acid. Its formula is…
- Craniotomy A surgical operation in which an opening is made in the skull.
- Feed contaminant A substance contaminating animal feed. Contaminants in animal feed can threaten human health. There are two…
- Qi gong ('chee-GUNG') A component of traditional Chinese medicine that combines movement, meditation, and regulation…
- Hallux valgus A big toe (the hallux) that is bent outward (valgus) so it overlaps the 2nd toe. A bunion is a localized…