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).
Intervening sequence
Part of a gene that is initially transcribed from the DNA into the primary RNA transcript but then is excised (removed) from it when the so-called exxon sequences on either side of it are spliced together. Intervening sequences, which are…
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Show more- Mycobacterium leprae The bacillus responsible for leprosy (Hansen disease). Mycobacterium leprae is an obligate parasite that has…
- Flush (1) A redness of the skin, typically over the cheeks or neck. A flush is usually temporary and brought on by…
- Category 4 storm See: Category four hurricane
- Trichloroethylene A possible carcinogenic (cancer-causing) compound used mainly as a degreaser for metal parts…
- Paresis, general A part of late ('tertiary') syphilis a decade or more after the initial infection, due to chronic…
- History, medical See: Medical history
- Biliary sludge A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from…
- Wart, genital A wart that is confined primarily to the moist skin of the genitals. These warts are due to viruses belonging…
- Hyperosmolar In biochemistry, pertaining to an osmolar concentration of the body fluids that is abnormally increased. As…
- Melanoma, amelanotic A form of melanoma in which the malignant cells (melanocytes) do not make the pigment melanin. Amelanotic…
- Hemoglobin A Normal adult hemoglobin, the main type of hemoglobin after infancy. The A stands for Adult
- Brain, water on the See: Water on the brain