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.
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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).
Deviation of the nasal septum
Failure of the nasal septum to be in the center where it is supposed to be. (The nasal septum is the wall inside the nose that runs down the middle dividing it into two sides.) Deviation of the nasal septum may be congenital (present at…
Read the definitionRandom terms
Show more- Hair, exclamation point Exclamation point hair is a key diagnostic finding in a disorder called alopecia areata. Alopecia areata is…
- Lung volume reduction surgery See: Lung reduction surgery
- Category 2 storm See: Category two hurricane
- Alzheimer disease, early-onset familial Alzheimer disease that runs in families and strikes at an unusually early age (with its onset under the age…
- Sigmoidoscopy Inspection of the rectum and lower colon using a thin lighted tube called a sigmoidoscope. Samples of tissue…
- Yaws Yaws: A common chronic infectious disease that occurs mainly in the warm humid regions of the tropics with…
- APO-1 See: FAS gene
- Diverticulitis Inflammation of the diverticula (small outpouchings) along the wall of the colon, the large intestine. (One…
- Dermatan sulfate An glycosaminoglycan (formerly called a mucopolysaccharide) found mostly in skin but also in blood vessels…
- Amsler grid While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid…
- Recombinant A person with a new combination of genes, a combination of genes not present in either parent, due to…
- Biopsy, sentinel-lymph-node See: Sentinel lymph node biopsy