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).
Gray
A unit of absorbed radiation equal to the dose of one joule of energy absorbed per kilogram of matter, or 100 rad. The unit is named for the British physician L. Harold Gray (1905-1965), an authority on the use of radiation in the…
Read the definitionRandom terms
Show more- Sleeplessness Insomnia. See also Fatal familial insomnia
- Breast discharge The spontaneous flow of fluid from the nipple at any time other than during nursing. This can be due to an…
- AAAS Spoken of as the 'triple-AS', the American Association for the Advancement of Science is an organization…
- Calcipotriene A synthetic form of vitamin D3 that can be applied to the skin to treat psoriasis
- Degenerative arthritis Also known as osteoarthritis, this type of arthritis is caused by inflammation, breakdown and eventual loss…
- Donor insemination A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- History, family The family structure and relationships within the family, including information about diseases in family…
- Mixed-lineage leukemia A type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and attached…
- Atypical Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of…
- Cholecystogram, oral See: Oral cholecystogram
- Salmon safety The safety of eating salmon, especially farm-raised salmon. The levels of more than 50 pollutants, including…
- Macrobiotic diet A diet concept that incorporates Ayurvedic principles of food combining, relies mainly on whole grains and…