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).
Malformation, arteriovenous
An arteriovenous malformation (AVM) is a congenital disorder (one present at birth) of blood vessels in the brain, brainstem, or spinal cord that is characterized by a complex, tangled web of abnormal arteries and veins connected by one or…
Read the definitionRandom terms
Show more- Nerve cell See: Neuron
- Nerve, recurrent laryngeal One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Health, child Child health is the purview of pediatrics. 'Pediatrics is concerned with the health of infants, children and…
- Genome, mouse All of the genetic information contained in the laboratory mouse (Mus musculus). The genomes of particular…
- Speculum An instrument used to widen an opening to look within a passage or a cavity. For example, a speculum may be…
- Discharge, breast See: Breast discharge
- Prealbumin One of several plasma proteins such as transthyretin that migrate faster than albumin in an acidic starch gel
- Arthrosis >Gliding -- one bony surface glides on another without angular or rotatory movement; >Angular -- occurs only…
- Immunization Vaccination. Immunizations work by stimulating the immune system, the natural disease-fighting system of the…
- Amplification, DNA The production of multiple copies of a sequence of DNA. Repeated copying of a piece of DNA. DNA amplification…
- Uracil (U) A nucleotide base and one member of the A-U (adenine-uracil) base pair in RNA. The other base pair in RNA is…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp