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.
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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).
Alexander disease
A slowly progressive and ultimately fatal brain disorder that most commonly occurs in children. The infantile form of the disease is characterized by megalencephaly (an abnormally large head), seizures, spasticity and developmental…
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Show more- Munchhausen syndrome Syndrome: Recurrent feigning of catastrophic illnesses. Munchhausen syndrome is a psychological disorder that…
- Disease, Vrolik's Osteogenesis imperfecta type II, an inherited connective tissue disorder with very severe bone fragility, the…
- Mental retardation and clasped thumbs A syndrome with the following characteristic features:(1) Neurological: Mental retardation and aphasia (lack…
- Carotenoid One of a group of compounds that includes beta-carotene, alpha-carotene, and beta-cryptoxanthin which are…
- Intraocular melanoma An eye cancer in which the malignant cells arise in the part of the eye called the uvea. The uvea includes…
- Retinopathy, arteriosclerotic See: Arteriosclerotic retinopathy
- Staging In regard to cancer, the process of doing examinations and tests to learn the extent of the cancer…
- Lymphedema, congenital See: Congenital lymphedema
- Cataract surgery Cataract surgery: Removal of the clouded lens (the cataract) in its entirety by surgery, usually followed by…
- Psoas Muscles of the lower back (the loin). There are two psoas muscles on each side of the back. The larger of the…
- Medication 1. A drug or medicine. 2. The administration of a drug or medicine. (Note that 'medication' does not have the…
- Ophthalmic artery The ophthalmic artery supplies blood to the eye and adjacent structures of the face. It arises from the…