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).
Focal
Pertaining to a focus which in medicine may refer to:1. The point at which rays converge as, for example, in the focal point.2. A localized area of disease. A focal cancer is limited to one specific area
Read the definitionRandom terms
Show more- Japanese encephalitis A mosquito-borne viral infection, the leading cause of viral encephalitis in Asia. Japanese encephalitis…
- Employment Retirement Income Security Act See: ERISA
- Acne vulgaris The common form of acne seen most often in teenagers or young adults, acne vulgaris is the result of…
- Aspartame A man-made sweetener with almost no calories used in place of sugar. A diet program with aspartame and…
- Prognosis 1. The expected course of a disease.2. The patient's chance of recovery. The prognosis predicts the outcome…
- Ubiquitination The 'kiss of death' process for a protein. In ubiquitination, a protein is inactivated by attaching ubiquitin…
- Gilbert syndrome Gilbert syndrome: A common but harmless genetic condition in which a liver enzyme essential to the disposal…
- Angiogenesis The process of developing new blood vessels. Angiogenesis is important in the normal development of the…
- Tricuspid valve One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the…
- Opportunistic infection An infection that occurs because of a weakened immune system. Opportunistic infections are a particular…
- Nannycam See: Nanny cam
- Duct A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct…