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).
Radiation therapy, 3-D
A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target it as accurately as possible and give it the highest possible dose of radiation while sparing normal tissue as much as possible. Also known…
Read the definitionRandom terms
Show more- Impotence Impotence: A common problem among men characterized by the consistent inability to sustain an erection…
- Tuberculous diskitis An infection of the spine due to tuberculosis, seen most often in children. The main symptom is back pain…
- Left atrium The upper right chamber of the heart. The left atrium receives oxygenated blood from the lungs and pumps it…
- Evening primrose oil A natural source of essential fatty acids (EFOs). Evening primrose oil contains a higher level of arachnoidic…
- Scientist, medical See: Medical scientist
- Startle disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Oligopeptide A molecule composed of a few amino acids linked to one another. Oligo- means a few
- Oscitation The act of yawning, the involuntary opening of the mouth with respiration, breathing first inward, then…
- Uterine fibroids The fornix of the uterus (known in medical Latin as the "fornix uteri") refers to the anterior (front) and…
- Rubella immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Vomiting of pregnancy, pernicious Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Diverticulitis, bleeding from Diverticular bleeding typically occurs intermittently over several days. Colonoscopy is usually performed to…