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).
Unassisted childbirth
Birth of a baby without the assistance of an obstetrician, midwife, or other health professional. This may be by accident or by design. Unassisted childbirth is fraught with risks since about a fifth of apparently normal pregnancies…
Read the definitionRandom terms
Show more- Gastric outlet obstruction Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is…
- Cyclic citrullinated peptide A circular peptide containing the amino acid citrulline. Abbreviated CCP. Autoantibodies directed against CCP…
- Fever, spotted Fever, spotted: Also known as Rocky Mountain spotted fever. An acute febrile (feverish) disease initially…
- Skin, scalded, syndrome See Scalded skin syndrome
- Sebaceous gland A normal gland of the skin which empties an oily secretion into the hair follicle near the surface of the skin
- Diet, DASH See: DASH diet
- Diagnosis, retrospective See: Retrodiagnosis
- AHD Abbreviation for alveolar hydatid disease; American Hospital Directory; and atherosclerotic heart disease
- Nurse, licensed practical A nurse who has completed a one- or two-year training program in health care and earned a state license. LPNs…
- Cloning, DNA The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Rib cage The structure formed by the thoracic vertebrae and ribs, the sternum (breastbone), and the costal cartilages…
- Encephalitis Inflammation of the brain. Encephalitis occurs, for example, in 1 in 1,000 cases of measles. It may start (up…