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).
Vision therapy
The use of special eye exercises to address eye defects, such as strabismus. Some vision therapists also claim that eye exercises can help people with neurological or learning disabilities. This approach is not proven for the latter use…
Read the definitionRandom terms
Show more- Lansing virus Type 2 poliovirus. Named after the city in Michigan where the first patient lived who was found to have this…
- Involuntary smoking The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Code, emergency While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…
- CSF (cerebrospinal fluid) A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the brain…
- Brain ventricle >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres. Each lateral ventricle consists…
- Beta carotene A vitamin that acts as an antioxidant, protecting cells against oxidation damage. Beta carotene is converted…
- Ichthyosis simplex Excessively dry skin with scaling. Also called xeroderma. See: Xeroderma. See also: Ichthyosis vulgaris
- Congenital central hypoventilation syndrome Failure from birth of central nervous system control over breathing while asleep. There are usually no…
- Ventricle, fourth >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…
- Collagen disease A disease (autoimmune or otherwise) that attacks the collagen or other components of connective tissue, such…
- Heterochromatin Chromosomal material that is darkly staining and tightly coiled throughout the cell cycle and that is, for…
- Yellow enzymes A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire, to breath…