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).
Disk, intervertebral
See: Intervertebral disk
Read the definitionRandom terms
Show more- Granulomatous colitis Crohn's disease of the colon (the large intestine). Crohn's disease is a chronic inflammatory disorder…
- Post-traumatic stress Stress: An anxiety disorder that develops in some individuals who have had major traumatic experiences. The…
- Infection, breast See: Breast infection. See also: Mastitis
- Hairball A wad of swallowed hair. Hairballs can sometimes be found to cause blockage of the digestive system…
- Signal transduction A basic process in molecular cell biology involving the conversion of a signal from outside the cell to a…
- BKA Acronym standing for 'below knee amputation.' A nurse scrubbing for a BKA is preparing to assist in a…
- Body, ciliary Part of the eye, the ciliary body is a thin vascular (blood vessel-filled) middle layer of the eye that is…
- Carcinoma, pancreatic See: Pancreatic cancer
- Chewing tobacco Tobacco that is chewed, not smoked. A form of smokeless tobacco. Chewing tobacco and snuff are the two main…
- Gene, regulatory A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime…
- Cataract, nuclear A cataract that occurs in the center (the nucleus) of the lens. See: Cataract
- Vessel, afferent A vessel that carries blood toward the heart. A vein or venule