MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Meniscus
The word 'meniscus' comes from the Greek and refers to a crescent-shaped structure. Today a meniscus is something that is shaped like a crescent moon or a croissant pastry. A meniscus can be an anatomic feature. For example, the medial…
Read the definitionRandom terms
Show more- Selenium excess See Excess selenium
- Lithium Lithium: Lithium carbonate (brand names: Eskalith; Lithobid), a drug used as a mood stabilizer for the…
- Hejama Alternate Arabic term for cupping. The preferred Arabic term for this practice is al-hijamah. See: Cupping
- Stain, Gram The Danish bacteriologist J.M.C. Gram (1853- 1938) devised a method of staining bacteria using a dye called…
- Metabolomics The global analysis of metabolites, small molecules generated in the process of metabolism. See also…
- Nipple shield A cap or dome, usually made today of plastic (formerly, rubber), placed over the nipple and areola during…
- Joint, elbow Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm…
- Mallet The malleus
- Nasopharynx The area of the upper throat that lies behind the nose. In contrast to the oropharynx, the area of the throat…
- Infant formula A substitute for breast milk for feeding infants. Pediatricians generally advise exclusively breastfeeding…
- C5 (cervical vertebra) The fifth cervical (neck) vertebra from the top
- Exchange, gas The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the…