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).
Motor neurone disease
Motor neuron disease. 'His suffering from motor neurone disease (MND) was finally over because he had chosen to die.' (article by Lesley Close in The Guardian, May 25, 2004
Read the definitionRandom terms
Show more- Orgasmic dysfunction See: Anorgasmia
- Tenia In medicine, tenia is a genus (group) of large tapeworms some of which are parasitic in humans. In anatomy…
- Chain-termination codon A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end…
- Sleep, twilight Sleep, twilight: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory)…
- Ultraviolet radiation Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Barium solution A liquid containing barium sulfate. The barium is radioopaque -- it shows up on x-rays. The barium outlines…
- Y map The array of genes on the Y chromosome. Once thought to be a genetic wasteland, the Y now is known to contain…
- Nipple, supernumerary An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without…
- RAD51 An enzyme that coordinates recombination and that is important to the process of error-free DNA repair by…
- Blood pH The acidity or alkalinity of blood. The pH of any fluid is the measure of the hydrogen ion (H-)…
- Zellweger syndrome A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of…
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…