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).
Universal donor
A person who is type O in the ABO blood group system and can donate blood to all recipients
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Show more- Library, cDNA A collection of DNA sequences generated from mRNA (messenger RNA) sequences. This type of DNA library…
- Lightening Not to be confused with a discharge of atmospheric electricity, lightening refers to the sensation that a…
- Craniometaphyseal dysplasia An inherited skeletal condition that involves abnormal bone formation and abnormal mineralization of the…
- Hantavirus pulmonary syndrome Acronym for High Altitude Pulmonary Edema, the accumulation in the lungs of extravascular fluid (fluid…
- Aorta, thoracic The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically…
- Hangman's fracture A broken neck involving a fracture of an upper cervical vertebra similar to the injury suffered in death by…
- Knee jerk The reflex tested by tapping just below the knee causing the lower leg to suddenly jerk forward. What is…
- Diverticulosis Diverticulosis: Diverticulosis is the condition of having diverticula, small outpouchings from the large…
- Triplet One of three, as: 1. One of three babies in a multiple birth. Or three animals gestated together. 2. In…
- Spots, Brushfield's Speckled iris. Little white spots that slightly elevated on the surface of the iris and are arranged in a…
- Journals, medical In 1665 the Royal Society in England published one of the first 2 scientific journals in the world: the…
- Bacillary angiomatosis A bacterial infection due to a cat scratch most often seen today in people with HIV. The disease…