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- Hypertrophy Enlargement or overgrowth of an organ or part of the body due to the increased size of the constituent cells…
- Asphyxia Impaired or impeded breathing.
- Nucleus, arcuate See: Arcuate nucleus
- Lymphedema, congenital See: Congenital lymphedema
- Attenuated virus To attenuate is to weaken or to make (or become) thin. The word derives from a combination of the Latin…
- Nerve, accessory See: Accessory nerve
- Hyperhidrosis, palmoplantar See: Palmoplantar hyperhidrosis
- Chemoradiotherapy The combination of simultaneous chemotherapy and radiation therapy. Chemoradiotherapy before surgery has been…
- Diabetes insipidus Diabetes insipidus: Excessive urination and extreme thirst as a result of inadequate output of the pituitary…
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…
- Gland, salivary One of the glands in the mouth that produce saliva. There are 3 major salivary glands. They are the parotid…
- Advanced paternal age A man who is age 40 years or older at the time of conception. (There is no universally accepted definition of…