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).
Tiredness
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Read the definitionRandom terms
Show more- Contrast sensitivity, visual The ability to perceive differences between an object and its background
- Asymptomatic Without symptoms. For example, an asymptomatic infection is an infection with no symptoms
- Lipoprotein A complex of lipid and protein, the way lipids travel in the blood. Cholesterol, a building block of the…
- Palate The roof of the mouth. The front portion is bony (hard palate), and the back portion is muscular (soft palate)
- Skittles Street name for dextromethorphan (DXM)
- Clade Related organisms descended from a common ancestor. For example, isolate M of HIV-1 (the human…
- Ventricles 1, The right ventricle and the left ventricle, the lower two chambers of the heart. 2. Two or more of the…
- MRD Minimal residual disease, evidence for the presence of residual malignant cells, even when so few cancer…
- Diffuse mastocytosis A form of mastocytosis in which the entire skin is thickened and leathery with generalized reddening and…
- Ossicle Any small bone, such as the tiny bones within the human ear
- Motor neurone disease Motor neuron disease. 'His suffering from motor neurone disease (MND) was finally over because he had chosen…
- Nephrogenic rest A fragment of embryonic tissue in the kidney retained after the period of embryonic development. Nephrogenic…