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).
Endometrioma
Part of the condition known as endometriosis. Endometrioma is a type of cyst formed when endometrial tissue (the mucous membrane that makes up the inner layer of the uterine wall) grows in the ovaries. It affects women during the…
Read the definitionRandom terms
Show more- Smallpox vaccination in eczema See Eczema vaccinatum
- Hirschsprung disease Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the…
- Pistol-shot pulse See: Pulse, water hammer
- Hypnic headache A relatively rare form of headache disorder in which the patient is awakened from sleep nightly, usually…
- Ingelfinger rule The policy of considering a manuscript for publication only if its substance has not been submitted or…
- Hemidiaphragm Half of the diaphragm, the muscle that separates the chest cavity from the abdomen and that serves as the…
- Descending aorta The descending aorta is the part of the aorta, the largest artery in the body, that runs down through the…
- Seizure disorders One of a great many medical conditions that are characterized by episodes of uncontrolled electrical activity…
- Developmental disorder One of several disorders that interrupt normal development in childhood. They may affect a single area of…
- PNS (peripheral nervous system) That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system…
- Barker, Horace Albert (1907-2000) American biochemist who, among other things, discovered the biologically active forms of vitamin…
- Fever, Southeast Asian hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…