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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Cancer, brain
Cancer of the central information processing center of the body. Tumors in the brain can be malignant or benign, and can occur at any age. Only malignant tumors are cancerous. Primary brain tumors cancer initially forms in the brain…
Read the definitionRandom terms
Show more- EB (epidermolysis bullosa) See: Epidermolysis bullosa
- Exacerbation A worsening. In medicine, exacerbation may refer to an increase in the severity of a disease or its signs and…
- Alpha helix The coiled structure of many proteins consisting of a single chain of amino acids stabilized by hydrogen…
- Bezoar A clump or wad of swallowed food and/or hair. Bezoars can sometimes be found to cause blockage of the…
- Melanoma vaccine A cancer vaccine prepared from human melanoma cancer cells. It may be used alone or with other therapy in…
- Nerve, abducent A small motor nerve that has one task: to supply a muscle called the lateral rectus muscle that moves the eye…
- Leg In popular usage, the leg extends from the top of the thigh down to the foot. However, in medical…
- Plague, Great The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Areola 1. The small darkened area around the nipple of the breast. 2. The colored part of the iris around the pupil…
- German disease Syphilis. Depending upon someone's thoughts as to where the disease came from, syphilis was also known as the…
- Therapy The treatment of disease. Therapy is synonymous with treatment, as for example: > >Antiretroviral therapy…
- Minamata disease A disorder caused by methyl mercury poisoning that was first described in the inhabitants of Minamata Bay…