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- Power-of-attorney for health-care decision-making See: Proxy. health care.
- Liposuction, ultrasonic-assisted Liposuction, ultrasonic-assisted: Liposuction involves the surgical suctioning of fat deposits from specific…
- Hysterectomy, complete Hysterectomy, complete: Complete surgical removal of the uterus and cervix. Also called a total hysterectomy
- Anomaly A deviation from the usual, something different, peculiar, or abnormal. A congenital anomaly is something…
- Cataract, secondary A cataract that develops secondary to another disease or surgery. The other disease may, for example, be…
- Brown fat Brown adipose tissue, a rapid source of energy for infants in whom it forms about 5% of their body weight. It…
- Two-faced twins Twin: Known medically as diprosopus, two-faced twins are conjoined twins (incompletely separated identical…
- Eczema vaccinatum A common concern with smallpox vaccination involving the implantation of the vaccinia virus from the…
- OCG Oral cholecystogram
- Crease, single transverse palmar See: Simian crease
- P arm of a chromosome The short arm of a chromosome. The 'p' comes from the French 'petit' meaning small. All human chromosomes…
- Sequence, intervening An intervening sequence is the part of a gene that is initially transcribed from the DNA into RNA…