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).
Xanthoma
Yellowish firm nodules in the skin frequently indicating underlying disease, such as diabetes, disorder of fats (lipid disorder or hyperlipidemia), or other conditions. A xanthoma is a kind of harmless growth of tissue. Under the…
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Show more- Foramen of Magendie An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- Tachycardia, ventricular An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart…
- Finger prick A procedure in which a finger is pricked with a lancet to obtain a small quantity of capillary blood for…
- Selenium An essential trace mineral that functions largely in the form of proteins, called selenoproteins, which act…
- Base-excision repair See: Base excision repair
- Female gonad The female gonad, the ovary or 'egg sac', is one of a pair of reproductive glands in women. They are located…
- Regenerate To reproduce or renew something lost. For example, after an injury, the liver has the capacity to regenerate
- Fibrosis, cystic Fibrosis, cystic (CF): One of the most common grave genetic (inherited) diseases, CF affects the exocrine…
- Patau syndrome (trisomy 13 syndrome) A syndrome characterized by multiple malformations, commonly including scalp defects, hemangiomas (blood…
- Birth assistant See: Doula (the first meaning)
- Morphea Skin changes that are localized to one or more patchy areas of skin that become hardened, dry, smooth and…
- Immunization, hepatitis B Hepatitis B (hep B) vaccine gives prolonged protection, but 3 shots over a half year are usually required. In…