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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Hyperosmolarity
In biochemistry, an osmolar concentration of the body fluids that is abnormally increased
Read the definitionRandom terms
Show more- Hexenmilch See: Witch's milk
- Perfluorinated acid A type of chemical that repels water and oil and is resistant to heat and chemical stress. Perfluorooctanoic…
- Analgesia The inability to feel pain while still conscious. From the Greek an-, without + algesis, sense of pain.
- Cutaneous papilloma A small tag of skin that may have a stalk (a peduncle). Cutaneous papillomas may appear on the skin almost…
- Alpha-ET Street name for alpha-ethyltryptamine
- Drop seizure See: Atonic seizure
- Oligodendrocyte A type of cell in the central nervous system. The oligodendrocytes surround and insulate the long fibers (the…
- Southeast Asian hemorrhagic fever A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- C3 (cervical vertebra) The third cervical (neck) vertebra from the top
- Carcinoma in situ, squamous cell An early stage of skin cancer. Also known as Bowen's disease. This is a tumor that develops from the squamous…
- Dorsum The back or posterior side of a structure. 'Dorsum' is the Latin word for the back. Something pertaining to…
- Rocky Mountain spotted fever (RMSF) Fever (RMSF): An acute febrile (feverish) disease initially recognized in the Rocky Mountain states, caused…