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).
Erection, penile
When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa, which run the length of the organ, are filled with spongy tissue, and surrounded by a membrane, called the tunica albuginea. The…
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Show more- Eponym Something named after someone. For example, a condition called Shiel's syndrome might be named after someone…
- Eardrum The tympanic membrane of the ear, or tympanum, the membrane that separates the middle ear from the external…
- Amyotrophic lateral sclerosis 1 ALS1. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner and caused by…
- Diabetic xanthoma See: Eruptive xanthoma
- Cholangiography Radiographic examination of the bile ducts with contrast medium. The contrast medium may be administered…
- Amoeba Also ameba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…
- Arthritis, gout Joint inflammation caused by uric acid crystal deposits in the joint space. An attack is usually extremely…
- Euphenics Literally meaning 'normal appearing,' euphenics aims to improve the outcome of a genetic disease by altering…
- Syndrome, Guillain-Barre See: Guillain-Barre syndrome
- Chromesthesia A type of synesthesia in which which a nonvisual stimulus causes the individual to perceive color. Color…
- Nose job Slang for plastic surgery on the nose, known medically as a rhinoplasty. This is a facial cosmetic procedure…
- Epidemic scorecard A tally of epidemics. The scorecard, based on estimates from the World Health Organization in 2003, reads as…