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).
Heart failure
Heart failure: Inability of the heart to keep up with the demands on it and, specifically, failure of the heart to pump blood with normal efficiency. When this occurs, the heart is unable to provide adequate blood flow to other organs such…
Read the definitionRandom terms
Show more- Defensin A family of potent antibiotics made within the body by neutrophils (a type of white blood cell) and…
- Power outage work safety >the hazards of working in heat >simple but effective ways of organizing work assignments and the workplace…
- Synovial sarcoma A malignant sarcoma of soft tissue that arises near but not in a joint, most often in an adolescent or young…
- Institute on Deafness and Communication Disorders S, National (NIDCD): One of the US National Institutes of Health. The mission of the National Institute on…
- C. botulinum Clostridium botulinum
- Glioma, visual pathway See Visual pathway glioma
- Muscular dystrophy, distal One of two genetic muscle diseases characterized by wasting of the muscles most distant from the midline…
- Internist A physician who specializes in the diagnosis and medical treatment of adults. This specialty, called internal…
- Clinical aspirin resistance The inability of aspirin to protect a person from cardiovascular events such as heart attacks and strokes
- Antimetabolite A drug that is similar enough to a natural chemical to participate in a normal biochemical reaction in cells…
- Ilium The upper part of the bony pelvis which forms the receptacle for the head of the femur at the hip joint. The…
- Hormone, parathormone Hormone made by the parathyroid gland (behind the thyroid gland in the neck). Parathormone (pronounced…