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).
Meningitis, neoplastic
A condition due to cancer that has spread from the original (primary) tumor to the meninges, the tissue covering the brain and spinal cord. The term is a misnomer because the condition is not inflammatory. It is more properly called…
Read the definitionRandom terms
Show more- Zinc deficiency dermatitis and diarrhea Diarrhea: Among the consequences of zinc deficiency, dermatitis (skin inflammation) and diarrhea are…
- Vaccinia adverse reaction See Smallpox vaccination adverse reaction
- Gyrus, lingual See: Lingual gyrus
- Clamydia A common misspelling of Chlamydia
- Ciliary muscle One of the muscles that relax the zonules to enable the lens to change shape for focusing. The zonules are…
- Gum disease Gum disease: Inflammation of the soft tissue (gingiva) and abnormal loss of bone that surrounds the teeth and…
- Contrast nephropathy A form of acute renal failure that starts soon after administration of contrast media (dye) for X-rays. The…
- Hearing loss, age-related See: Presbycusis
- Effacement The thinning of the cervix which occurs before and while it dilates
- Brachycephaly A short head, one that is short in diameter from front to back. Brachycephaly is a frequent feature of…
- Malariologist Someone who is versed in or engaged in the study of malaria. 'Independent malariologists believe it kills two…
- Disease, Creutzfeldt-Jakob (CJD) A dementing disease of the brain. It is believed due to an unconventional (not a bacteria or virus)…