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).
Nurse, licensed vocational
A nurse who has completed a one- or two-year training program in health care and earned a state license. LVNs provide direct patient care for people with chronic illness, in nursing homes, hospitals, and home settings. They assist RNs in…
Read the definitionRandom terms
Show more- Medicare Part B The Medicare program that covers physician and outpatient services. Medicare is the United States…
- Vaccination, measles See Immunization, MMR.
- Heroin Semisynthetic drug derived from morphine. Discovered in 1874, it was introduced commercially in 1898 by the…
- Eosinophilic meningitis Meningitis with a high percentage of eosinophils (a type of white blood cell) in the cerebrospinal fluid…
- Necrotic Synonymous with dead. Necrotic tissue is dead tissue.
- Artificial heart A manmade heart. An artificial heart was temporarily implanted in 1969 by Denton Cooley in Houston, Texas…
- Patient-activated event recorder See: Patient-activated cardiac event recorder
- Cubitus varus A deformity of the elbow resulting in a decreased carrying angle (so that, with the arm extended at the side…
- Chargaff's rule See: Chargaff rule
- Metabolic syndrome Metabolic syndrome: A constellation of conditions that place people at high risk for coronary artery disease…
- Cancer, prostate Cancer of the gland that produces some of the components of semen fluid. Prostate cancer is the second…
- McClintock, Barbara (1902-1992) American geneticist who won the 1983 Nobel Prize in Physiology or Medicine for her discovery of…