MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Dynein
A family of microtubule motor proteins that derive energy from ATP (adenosine triphosphatase) activity. The dyneins also form arms on the outer tubules of cilia and flagella. The dynein motor, a cellular complex believed to be composed of…
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Show more- Syndrome, Li-Fraumeni (LFS) This is an extraordinary cancer family syndrome. People with LFS have a tendency to develop a great diversity…
- Groin In anatomy, the area where the upper thigh meets the trunk. More precisely, the fold or depression marking…
- Frequency, urinary Urinating too often, at too frequent intervals, not due to an unusually large volume of urine, but rather to…
- Dyshidrotic eczema Irritation of the skin on the palms of hands and soles of the feet characterized by clear, deep blisters that…
- Penicillin Penicillin: The most famous of all antibiotics, named for the fungal mold Penicillium notatum from which it…
- Bifid Cleft (split) in two. See, for example, bifid uvula
- Memory span The number of items, usually words or numbers, that a person can retain and recall. Memory span is a test of…
- Fluorescein angiography A test to examine blood vessels in the retina, choroid, and iris of the eye. A special dye is injected into a…
- Melasma Pigmentation of the face, most commonly on the malar area (the upper cheek), bridge of nose, forehead, and…
- Cry for help An expression of suicidal intent in the hope of receiving help and being rescued. A cry for help may take…
- Pedophilia People with pedophilia have fantasies, urges or behaviors that involve illegal sexual activity with a…
- Artic health Health in the vast geographic region widely surrounding the North Pole, an area that encompasses all or…