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).
Syndrome, dengue shock
A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage (bleeding) and circulatory collapse (shock). Known also as dengue hemorrhagic fever (DHF), it starts abruptly with high…
Read the definitionRandom terms
Show more- Syncope The temporary loss of consciousness upon coughing. Syncope is the temporary loss of consciousness or, in…
- Gray matter The cortex of the brain which contains nerve cell bodies. The gray matter is in contrast to the white matter…
- Stickler syndrome, type III See: Stickler syndrome
- Leukocoria A white pupillary reflex. When one shines a bright light on the pupil, it normally appears red. In…
- Colinearity 1. In general, the arrangement of one sequence in the same linear order as another sequence.2. In…
- Rickettsioses of the eastern hemisphere, tick-born There are 3 known diseases caused by infection with rickettsial agents. They are North Asian tick-borne…
- Fornices Plural form of fornix
- Epilepsy, Jacksonian Epilepsy, Jacksonian:A brief alteration in movement, sensation or nerve function caused by abnormal…
- Fifth cranial nerve The fifth cranial nerve is the trigeminal nerve. The trigeminal nerve is quite complex. It functions both as…
- Ascorbic acid Vitamin C, an essential nutrient found mainly in fruits and vegetables. The body requires it to form and…
- Isodisomy Remarkable situation where both chromosomes in a pair are from one parent and neither from the other…
- Adult acne Popular name for rosacea. For more information, see: Rosacea