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).
Birth control, emergency
See: Emergency contraception
Read the definitionRandom terms
Show more- Vasculitis, retinal Vasculitis, retinal: The retina is the portion of the eye that contains the nerves of sensation that perceive…
- Smallpox bioterrorism The misuse of smallpox as an agent of bioterrorism. Smallpox was eradicated in 1977. Routine vaccinations…
- Snort Take in a drug by inhalation. For example, snorting cocaine is inhaling cocaine powder through the nose where…
- Analog In biochemistry, a substance that is similar, but not identical, to another
- Amyloidosis, secondary Amyloidosis, secondary : One of a group of diseases (called amyloidosis) in which protein deposits (amyloid)…
- Raynaud's phenomenon Short for red blood cells, the cells that carry oxygen and carbon dioxide through the blood. This rather…
- Dominant, autosomal See: Fredrickson, Donald.
- Ethmoid sinus A collection of air cells within the ethmoid bone, a spongy bone which makes up the front of the floor of the…
- Autoradiography A technique using X- ray film to visualize molecules or fragments of molecules that have been radioactively…
- Colitis, Crohn's Crohn's disease affecting only the large intestine (colon). Crohn's disease is a chronic inflammatory…
- Kidney cancer Kidney cancer: Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic…
- Paresthesia An abnormal sensation of the skin, such as numbness, tingling, pricking, burning, or creeping on the skin…