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).
Cancer registry
A register designed to collect information about the occurrence (incidence) of cancer, the types of cancers that occur and their locations within the body, the extent of cancer at the time of diagnosis (disease stage), and the kinds of…
Read the definitionRandom terms
Show more- Intramuscular (IM) An intramuscular (IM) medication is given by needle into the muscle. This is as opposed to a medication that…
- Achilles tendonitis Inflammation of the Achilles tendon, the tough sinew that attaches the calf muscle to the back of the…
- Bone, sesamoid See Sesamoid bone
- Single-payer health care A system of health care characterized by universal and comprehensive coverage. Single-payer health care is…
- Endostatin Endostatin is a piece (a fragment) of a protein, collagen 18, found in all blood vessels. This fragment is…
- Vein, external jugular The more superficial of the two jugular veins situated on each side of the neck. The other is the internal…
- Sleep talking NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- PA (physician assistant) >Medical histories and physical examinations: a PA is usually can perform histories and physical examinations…
- Small calorie See: Calorie
- Avian tuberculosis See: Tuberculosis, avian
- Twin One of two children produced in the same pregnancy and born during the same birth process. Twins can develop…
- Vaccine, influenza The influenza (flu) vaccine is recommended for persons at high risk for serious complications from influenza…