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).
Cone snail
A fishing-eating snail (Conidae) that inhabits tropical coral reefs and produces toxins that immobilize their prey. See also: Conotoxin
Read the definitionRandom terms
Show more- Retinal wrinkling See: Macular pucker
- Liquid nitrogen Nitrogen in a liquid state. Liquid nitrogen is supercool -- about 200 degrees Celsius (320 degrees…
- Babinski sign An important neurologic examination based upon what the big toe does when the sole of the foot is stimulated…
- Birt-Hogg-Dube syndrome See: Doula (the first meaning).
- Fibril The diminutive of fiber. A small fiber, a fine thread
- Signal transduction A basic process in molecular cell biology involving the conversion of a signal from outside the cell to a…
- Meninges The three membranes that cover the brain and spinal cord (singular: meninx). The outside meninx is called the…
- Syndrome of ichthyosis, spasticity, oligophrenia A: Also known as the Sjogren-Larsson syndrome, this is a genetic (inherited) disease characterized by a triad…
- Heart failure Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the…
- Endothelial Relating to the endothelium, the layer of flat cells lining the closed spaces of the body such as the inside…
- Hct (hematocrit) Hematocrit): Abbreviation for hematocrit. The hematocrit is the proportion, by volume, of the blood that…
- IPV Abbreviation for intelligence quotient, an attempt to measure the intelligence of someone. The IQ score is…