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).
P.o.
Abbreviation meaning by mouth, orally (from the Latin 'per os', by mouth). One of a number of hallowed abbreviations of Latin terms that have traditionally been used in prescriptions. Some others: > >a.c. = before meals (from 'ante cibum'…
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Show more- Tracheostomy button Tracheostomy button: A 1/2- to 1 1/2-inch-long plastic tube placed in the stoma to keep it open
- Syndrome, acquired immunodeficiency AIDS
- DNS On a prescription, Do Not Substitute. If a physician orders a particular drug and writes DNS on the…
- Doraphobia An abnormal and persistent fear of fur. Sufferers of this fear avoid fur-bearing animals such as dogs, cats…
- Beijerinck, Martinus W. (1851-1931) Dutch microbiologist who was the first person to use the term 'virus' for the invisible…
- Taenia solium The pork tapeworm. Contracted from eating undercooked or measly pork (pork infected with the larval forms of…
- Sickle cell anemia A genetic blood disease due to the presence of an abnormal form of hemoglobin, namely hemoglobin S…
- Ankylosis Stiffness or, more often, fusion of a joint. From the Greek ankylsis, meaning stiffening of a joint
- Neuroepithelial Having to do with tissue made up of sensory cells that serve in the reception of external stimuli…
- Scoliosis, structural A fixed lateral (sideway) curve of the spine. Structural scoliosis often occurs from unknown factors without…
- ERG Electroretinography
- Cysticercosis An infection caused by the pork tapeworm, Taenia solium. Infection occurs when the tapeworm larvae enter the…