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).
Breast cancer gene BRCA1
A gene that normally acts to restrain the growth of cells in the breast but, when mutated, predisposes to breast cancer. BRCA1 and BRCA2 were the first breast cancer genes to be identified. Mutated forms of these genes are believed to be…
Read the definitionRandom terms
Show more- Cancer, rectal See: Rectal cancer
- Attention deficit disorder (ADD) Attention deficit disorder (ADD): An inability to control behavior due to difficulty in processing neural…
- Guarding, abdominal Involuntary tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the pain…
- Aromasin Brand name of exemestane, an oral antiestrogen. Aromasin inhibits the enzyme aromatase in the adrenal glands…
- Trachea A tube-like portion of the breathing or 'respiratory' tract that connects the 'voice box' (larynx) with the…
- Chromosome inversion A basic type of chromosome rearrangement. A segment that does not include the centromere (and so is…
- Ehrlichiosis An acute (abrupt onset) disease, first reported in humans in 1986, due to infection by the rickettsial agent…
- Physical child abuse See: Normal growth.
- Magnesium deficiency Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium…
- OSA (obstructive sleep apnea) See: Oscillopsia.
- Neonatal Pertaining to the newborn period which, by convention, is the first four weeks after birth.
- AHD Abbreviation for alveolar hydatid disease; American Hospital Directory; and atherosclerotic heart disease