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).
Hyperbaric
Pertaining to gas pressures greater than 1 atmosphere* of pressure. Also pertaining to solutions that are more dense than the medium to which they are added. The term 'hyperbaric' is derived from Greek roots: 'hyper-' meaning high, beyond…
Read the definitionRandom terms
Show more- Echinococcus A tiny parasitic tapeworm. The larval stage of this tapeworm can cause human disease. There are three forms…
- Smallpox vaccination in eczema See Eczema vaccinatum
- Phthisis A good trivia or crossword item. An over-consonanted Greek word meaning 'a dwindling or wasting away.'…
- Myocardial bridge Literally a bridging of heart muscle over one of the major arteries to the heart (usually the left anterior…
- Vena cava syndrome, superior The symptoms that result from compression of the large vein that carries blood down to the heart. The…
- Palindrome Pertaining to a palindrome. A DNA sequence that reads the same in both directions is a palindromic sequence.
- Nitrous oxide (laughing gas) A gas that can cause general anesthesia. Nitrous oxide is sometimes given in the company of other anesthetic…
- Direct-entry midwife A midwife who has entered the profession of midwifery as an apprentice to a practicing midwife rather than…
- Oneirophrenia An hallucinatory (dream-like) state caused by such conditions as prolonged deprivation of sleep, sensory…
- Snellen's chart The familiar eye chart used to measure how well you see at various distances. Snellen's chart is imprinted…
- Patellar Pertaining to the patella, the kneecap by another name, the familiar small bone planted in the front of the…
- Desmoplastic This term refers to the growth of fibrous or connective tissue. Some tumors elicit a desmoplastic reaction…