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).
Monkeypox
Monkeypox: A rare zoonotic (animal-borne) viral disease similar to smallpox. The virus responsible for monkeypox is, in fact, related to that responsible for smallpox. Both belong to the orthopox family of viruses. Vaccination against…
Read the definitionRandom terms
Show more- Birth cohort A group of people born during a particular period or year
- Achilles In Greek mythology, the hero who was thought to have some special medical knowledge. Achilles studied…
- Cataract A clouding of the lens of the eye. The normally clear aspirin-sized lens of the eye starts to become cloudy…
- Circle of Willis An arterial circle at the base of the brain that is of critical importance. The circle of Willis receives all…
- Mutation, germline Mutation, germline: A heritable change in the DNA that occurred in a germ cell (a cell destined to become an…
- Macewen sign A sign to detect hydrocephalus and brain abscess. Percussion (tapping) on the skull at a particular spot…
- Nictitating spasm Spasm of the eyelid with continuous winking. To nictitiate is to wink. 'Nictitate' and the older verb…
- Luteinizing hormone A hormone released by the pituitary gland in response to luteinizing hormone- releasing hormone. Abbreviated…
- Section 1) In anatomy, a slice of tissue. A biopsy obtained by surgery is usually sectioned (sliced), and these…
- Flaviviridae A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- Necrosis The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow)…
- Gene, regulatory A gene that regulates the expression of other genes. A regulatory gene is a nosy gene whose prime…