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).
Neuroma, acoustic
A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from an overproduction of Schwann cells -- small sheet-like cells that normally wrap around nerve fibers like onion skin and help…
Read the definitionRandom terms
Show more- Passive smoking The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Somatic cell nuclear transfer The transfer of the nucleus from a somatic cell into an egg from which the nucleus has been removed
- Fear of depths An abnormal and persistent fear of depths. Sufferers of this fear experience anxiety even though they realize…
- Catalyst A substance that speeds up a chemical reaction but is not consumed or altered in the process. Catalysts are…
- Potomania An intense and persistent desire to drink alcohol to excess. Synonymous with dipsomania
- Emergency department The department of a hospital responsible for the provision of medical and surgical care to patients arriving…
- Diachronic study A study done over the course of time. For example, a longitudinal study of children with Down syndrome…
- Wharton's jelly A gelatinous substance within the umbilical cord. Wharton's jelly is a rich source of stem cells. Named for…
- Cranial nerve, seventh The seventh cranial nerve is the facial nerve, a mixed nerve that has fibers both going out and coming in…
- Melanoma, acral-lentiginous One of the four clinical types of malignant melanoma, uncommon in whites but the most common type in…
- Aristotle Aristotle of Stagira (384-322 B.C.), Greek philosopher and scientist. The son of a physician, Aristotle was a…
- Herbalism The practice of making or prescribing herbal remedies for medical conditions. Practitioners of herbalism may…