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).
Patella
The kneecap by another name, the patella is the small bone that is in the front of the knee. The patella is a sesamoid bone, a little bone (sesamoid = like a sesame seed) that is embedded in a joint capsule or tendon, in this case the…
Read the definitionRandom terms
Show more- Acute respiratory disease A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Liver cancer, adult primary A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Metabonomics The study of metabolic responses to drugs, environmental changes and diseases. Metabonomics is an extension…
- Ringworm of the nails Ringworm of the nails: The most common fungus infection of the nails, also called onychomycosis…
- Left-handed In popular usage, the leg extends from the top of the thigh down to the foot. However, in medical…
- Fat, unsaturated A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…
- Enzymes, yellow A group of respiratory enzymes that catalyze reactions in the body permitting cells to respire or breathe…
- Chronic pain L ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Chronic pain Main…
- Cyst, pilonidal A special kind of abscess that occurs in the cleft between the buttocks. Forms frequently in adolescence…
- Fluorescent treponemal antibody absorbed test A blood serum screening test for syphilis designed to demonstrate the presence or absence of specific…
- Auditory brainstem response test See: ABR test
- Index case A person who first draws attention to their family. For example, if my eye doctor discovers I have glaucoma…