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).
Pneumonitis, radiation
Inflammation of the lungs as a result of radiation. Although the radiation can be from various sources including accidents, today it is usually from radiation therapy. Radiation pneumonitis typically occurs after radiation treatments for…
Read the definitionRandom terms
Show more- Sacral vertebrae There are 5 sacral vertebral bones. They are represented by the symbols S1 through S5 and are situated…
- Polio immunization One of the two polio vaccines that are available: oral polio vaccine (OPV) and inactivated polio vaccine…
- Dysplasia, faciodigitogenital See: Aarskog-Scott syndrome
- Lacrimation One of the main types of encephalitis caused by an arbovirus in the US. An arbovirus is a virus that is…
- Deoxyribonucleic acid DNA. One of two types of molecules that encode genetic information. (The other is RNA. In humans DNA is the…
- Fracture, transverse A fracture in which the break is across the bone, at a right angle to the long axis of the bone. NTER> A…
- Cancer, oat cell See: Oat cell cancer
- Cardiac output The amount of blood that is pumped by the heart per unit time, measured in liters per minute (l/min). The…
- Vaginitis Vaginitis: Inflammation of the vagina. The vagina is the muscular canal extending from the cervix to the…
- Cyclic vomiting syndrome See: Cystocele.
- Sphenoid bone A prominent, irregular, wedge-shaped bone at the base of the skull. The sphenoid bone has been called the…
- Herpes A family of viruses. Herpes also refers to infection with one of the human herpesviruses, especially herpes…