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).
Miasma
A poisonous vapor or mist believed to be made up of particles from decomposing material that could cause disease and could be identified by its foul smell. The miasma theory of disease originated in the Middle Ages and persisted for…
Read the definitionRandom terms
Show more- Racemose aneurysm An aneurysm that looks like a bunch of grapes
- Pregnancy, hyperemesis of Excessive vomiting during pregnancy which, by definition, leads to the loss of 5% or more of the body weight…
- Epidemiology, clinical Epidemiology focused specifically upon patients. Epidemiology is the study of populations in order to…
- Tunica albuginea of the testis The layer of dense whitish inelastic tissue that surrounds the testis
- Patient autonomy The right of patients to make decisions about their medical care without their health care provider trying to…
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- BAEP (brainstem auditory evoked potentials) See: ABR test
- Onychoosteodysplasia This is the nail-patella syndrome, an hereditary condition characterized by abnormally formed (dysplastic) or…
- Viscera The internal organs of the body, specifically those within the chest (as the heart or lungs) or abdomen (as…
- Office of Human Research Protections (OHRP) The agency responsible for developing, monitoring and exercising compliance over the protections afforded…
- Burp 1. Gas brought up from the stomach through the mouth producing a gutteral noise.2. As a verb, to bring up gas…
- Referred pain Pain felt at a site other than where the cause is situated. An example is the pain from the pancreas, which…