MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Dysplasia
Abnormal in form. From the Greek dys- (bad, disordered, abnormal) and plassein (to form). For example, retinal dysplasia is abnormal formation of the retina during embryonic development.
Read the definitionRandom terms
Show more- Vomitus Matter from the stomach that has come up into and may be ejected beyond the mouth, due to the act of…
- Alopecia capitis totalis Loss of all of the scalp hair. Alopecia means baldness and capitis refers to the head. Alopecia capitis…
- Pauling See: Pauling, Linus
- Prone The first sulfa drug to be discovered. Largely of historic interest today. The discovery was made by the…
- Fear of men An abnormal and persistent fear of men. Sufferers experience anxiety even though they realize they may face…
- Apert syndrome acrocephalosyndactyly An inherited disorder causing abnormalities of the skull, face and hands and feet. There is premature closure…
- Heritability The degree to which something is inherited.
- Foot pain Foot pain: Foot pain is the sensation of discomfort in the foot arising from disorders or injury to any of…
- Cerebral amyloidosis and spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Jakob's disease Better known as Creutzfeldt-Jakob disease (CJD), a dementing disease of the brain. It is believed due to an…
- Scan, helical CAT A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines…
- Chromosome banding The treatment of chromosomes to reveal characteristic patterns of horizontal bands like bar codes. The…