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).
Papules
Small solid rounded bumps rising from the skin that are each usually less than 1 centimeter in diameter (less than 3/8 inch across). Papules may open when scratched and become crusty and infected. The term 'papule' is derived from Latin…
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Show more- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Eisoptrophobia An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- IgD Immunoglobulin D, a class of immunoglobulins found as antibodies on the surface of B cells (B lymphocytes)…
- Periodontal disease A bacterial infection that destroys the attachment fibers and supporting bone that hold the teeth in the…
- Treadmill, exercise Exercise on a treadmill, a machine with a moving strip on which one walks without moving forward. A treadmill…
- Gallium A rare metal with the atomic weight of 69. There are several isotopic forms of gallium that differ from it in…
- Quiescent Marked by a state of inactivity, repose, or tranquillity. For example, a quiescent stem cell is a stem cell…
- American Cancer Society (ACS) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Antioxidant Any substance that reduces oxidative damage (damage due to oxygen) such as that caused by free radicals. Free…
- Anorexia, cancer See: Cancer anorexia
- Peptidase An enzyme that can break down a peptide into its component amino acids
- Therapy, gene Insertion of normal DNA directly into cells to correct a genetic defect. The treatment of disease by…