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).
Morphine
A powerful narcotic agent with strong analgesic (painkilling) action and other significant effects on the central nervous system. It is dangerously addicting. Morphine is a naturally occurring member of a large chemical class of compounds…
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Show more- Formalin A 37% aqueous (water) solution of formaldehyde, a pungent gas, with the chemical formula HCHO, used as an…
- Keratoderma hereditarium mutilans See: Vohwinkel syndrome
- Excess, calcium See: Calcium excess
- Insomnia, intermittent Insomnia that occurs from time to time and each time lasts less than a week or two. Intermittent insomnia may…
- Leishmaniasis Leishmaniasis: Diseases due to the parasite called Leishmania involving the organs (kala-azar) or the skin…
- Hemorrhagic cyst This type of functional cyst occurs when bleeding occurs within a cyst. Symptoms such as abdominal pain on…
- Anterograde Moving forward or extending forward. Anterograde memory is memory for what occurs after an event such as an…
- Dummy In science experiments, a substance without any active ingredient, a placebo. In the UK, a pacifier: an…
- Purpura, acute thrombocytopenic See: Schonlein-Henoch purpura.
- ALOX5AP Arachidonate 5-lipoxygenase-activating protein. See: FLAP
- ADH secretion, inappropriate The syndrome of inappropriate secretion of antidiuretic hormone (ADH) results in the inability to put out…
- Prion disease A disease due to a prion, a proteinaceous infectious particle that lacks nucleic acids. Prions are composed…