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).
Fever, dengue hemorrhagic (DHF)
A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). DHF starts abruptly with high continuous fever and headache plus respiratory and…
Read the definitionRandom terms
Show more- Disorder, attention deficit (ADD) An inability to control behavior due to difficulty in processing neural stimuli. In November, 1998 the…
- Bacteremia The presence of live bacteria in the bloodstream. Bacteremia is analogous to viremia (the presence of a virus…
- National Institute of Environmental Health Science EHS): A part of the National Institutes of Health (NIH) in the United States. NIEHS states that its mission…
- Sopor Abnormally deep sleep, an unusually profound sleep, a stupor from which it is difficult to rouse a person…
- NvCJD New variant Creutzfeldt-Jakob disease, a human disease thought due to the same infectious agent as bovine…
- Hemoglobin Hemoglobin: The oxygen-carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an…
- Upper motor neuron A neuron that starts in the motor cortex of the brain and terminates within the medulla (another part of the…
- Treponema pallidum The cause of syphilis, this is a microscopic bacterial organism called a spirochete, a worm-like…
- Disease, polycystic ovarian Scrub typhus, a mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi…
- Dieldrin A chlorinated hydrocarbon insecticide. See: Aldrin and dieldrin
- LEOPARD syndrome A genetic syndrome transmitted in an autosomal dominant manner that is named for its characteristic features…
- Seventh cranial nerve paralysis Known as Bell's palsy, this is paralysis of the facial nerve, the nerve that supplies the facial muscles on…