MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Orthologous gene
1. A term coined by the chemist Linus Pauling who defined it as "the preservation of good health and the treatment of disease by varying the concentration in the human body of substances that are normally present in the body. The treatment…
Read the definitionRandom terms
Show more- Truncation The act of truncating, cutting short. See: Truncate
- Familial Parkinson disease type 7 A familial form of Parkinson disease inherited in an autosomal recessive manner due to mutation in the DJ1…
- Typhus, tropical See Typhus, scrub
- Respiratory failure Inability of the lungs to perform their basic task of gas exchange, the transfer of oxygen from inhaled air…
- Teratophobia Fear of bearing a malformed child. A phobia is an unreasonable sort of fear that can cause avoidance and…
- Sarcoma, soft tissue See: Soft tissue sarcoma
- Incontinence Inability to control excretions. Urinary incontinence is inability to keep urine in the bladder. Fecal…
- Carotid stenosis Abnormal narrowing of the carotid artery, often a preamble to a stroke
- Hemidiaphragm, elevated See: Elevated hemidiaphragm
- Common cold Common cold: A viral upper respiratory tract infection. This contagious illness can be caused by many…
- BCG An effective immunization against tuberculosis. BCG stands for Bacille Calmette Guerin. BCG is a weakened…
- Antiphospholipid antibody syndrome Antiphospholipid antibody syndrome (APLS): An immune disorder characterized by the presence of abnormal…