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).
Kostmann disease
Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting infection). These children suffer frequent infections from bacteria which in the past led to death in three-quarters of cases…
Read the definitionRandom terms
Show more- Nerve block See: Neuron.
- Immunity, natural See: Innate immunity
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Megalencephaly Also called macrencephaly, a condition in which there is an abnormally large, heavy, and usually…
- Rosary pea See: Abrin
- AK 1. Above the knee. 2. Acanthamoeba keratitis. 3. Actinic keratosis
- Category 2 storm See: Category two hurricane
- Bee sting Stings from bees and other large stinging insects such as yellow jackets, hornets and wasps can trigger…
- Erb palsy A form of brachial plexus palsy in which there is paralysis of the muscles of the upper arm and shoulder…
- Point, McBurney's McBurney's point is the most tender area of the abdomen of patients in the early stage of appendicitis…
- Liposuction Liposuction: The most common cosmetic operation in the U. S. with over 400,000 such surgical operations done…
- Valves, heart There are four heart valves. All are one-way valves. Blood entering the heart first passes through the…