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).
Hydrocephalus, Macewen sign of
A sign to detect hydrocephalus (and brain abscess). Percussion (tapping) on the skull at a particular spot (near the junction of the frontal, temporal and parietal bones) yields an unusually resonant sound in the presence of hydrocephalus…
Read the definitionRandom terms
Show more- Bacterial Of or pertaining to bacteria. For example, a bacterial lung infection
- Toxic goiter, diffuse Graves disease, the most common cause of hyperthyroidism (overactivity of the thyroid gland), with…
- Wet market A live animal market, a common sight in many areas of the world and a source of influenza viruses and other…
- Acid rain Rain resulting from the combination of fossil fuel emissions and water in the atmosphere. The environmental…
- Ventricular beat, premature See: Extrasystole
- Scurvy See: Scutellaria barbata.
- Curette A spoon-shaped instrument with a sharp edge. The word 'curette' comes from the French and means a 'scraper.'…
- Knockout mouse A mouse missing a single gene (that has been knocked out). Knockout mice are used in biomedical research
- Asplenia The absence of a spleen or one that functions. (The spleen can be functionally destroyed, as occurs in…
- Lipoid nephrosis The earliest stage of nephrosis (the nephrotic syndrome of childhood). See: Minimal change disease. See also…
- Active tuberculosis See: Tuberculosis, active
- Rehabilitation The process of restoration of skills by a person who has had an illness or injury so as to regain maximum…