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).
Deformation
A setting of limits; a boundary; marking the limits of, delimiting; setting apart, separating. The word "demarcation" is used in medicine mainly in the sense of determining and marking off boundaries. For example, the surface demarcation…
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Show more- Antipsychotic A medication (or another measure) that is believed to be effective in the treatment of psychosis. For…
- Maculopathy Any pathologic condition or disease of the macula, the small spot in the retina where vision is keenest. Also…
- Morning-after pill A form of contraception used after rather than before sexual intercourse. Morning-after pills interfere with…
- Cranial nerve, first The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge…
- Father (1) The male parent. (2) One who originates. For example, 'Wilhelm Roentgen is considered the father of…
- Refract In ophthalmology, to determine the bending of light that takes place within the human eye. Refractive errors…
- Cod liver oil An oil extracted from the liver of the cod. Cod liver oil was once given religiously to children every day as…
- Prothrombin G20210A mutation See: Prothrombin mutation G20210A
- Anthracycline A member of a family of chemotherapy drugs that are also antibiotics. The anthracyclines act to prevent cell…
- Giant cell arteritis A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- PCA Commonly used abbreviation for patient-controlled analgesia. Analgesia simply means relief of pain. PCA is a…
- Measles syndrome, atypical (AMS) Measles syndrome, atypical (AMS): An altered expression of measles, AMS begins suddenly with high fever…