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.
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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).
Regional lymphadenitis
Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of short duration, due to cat scratches, especially from kittens. There is usually a little bump (a papule) which may be pus-filled (a…
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Show more- Hydrocephalus, Macewen sign of A sign to detect hydrocephalus (and brain abscess). Percussion (tapping) on the skull at a particular spot…
- DXA Dual X-ray absorptometry. A technique for scanning bone and measuring bone mineral density (BMD). A DXA…
- Genome All of the genetic information, the entire genetic complement, all of the hereditary material possessed by an…
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Cord 1. In anatomy, a long ropelike structure. 2. Short for the spinal cord or the umbilical cord
- Fisher's exact test A statistical test of independence much used in medical research. It tests the independence of rows and…
- Muscular dystrophy, distal One of two genetic muscle diseases characterized by wasting of the muscles most distant from the midline…
- Hypnagogic hallucination A vivid dreamlike hallucination that occurs as one is falling asleep. The opposite of an hypnopompic…
- Carotid artery A key artery located in the front of the neck though which blood from the heart goes to the brain. There are…
- Tracheoesophageal puncture A small opening made by a surgeon between the esophagus and the trachea. A valve keeps food out of the…
- Signal transduction pathway The course by which a signal from outside a cell is converted to a functional change within the cell
- Hysterectomy, partial The uterus is surgically removed but the cervix is left is left in place. Also called a subtotal hysterectomy