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).
Breastfeeding
Breastfeeding: Feeding a child human breast milk. According to the American Academy of Pediatrics, human breast milk is preferred for all infants. This includes even premature and sick babies, with rare exceptions. It is the food least…
Read the definitionRandom terms
Show more- Zinc finger A finger-shaped fold in a protein that permits it to interact with DNA and RNA. The fold is created by the…
- Clostridium difficile A brain disorder in which there is an abnormal enlargement of the occipital horns of the brain --the…
- Psoriasis, pustular A type of recurring psoriasis characterized by the appearance of pus-filed pimples and sores in clusters. It…
- Flu, Asian See: Asian flu
- Blasts Immature blood cells. Leukemic blasts do not grow and age normally; they proliferate wildly and fail to mature
- Strabismus Strabismus: A condition in which the visual axes of the eyes are not parallel and the eyes appear to be…
- Supernumerary digit An extra finger or toe
- Reduviid bug A winged insect. Reduviids include kissing bugs which transmit Chagas disease. See: Chagas disease
- Cancer, melanoma A skin cancer that begins in cells called melanocytes that can grow together to form benign (not cancerous)…
- Valve, aortic One of the four valves in the heart, this valve is situated at exit of the left ventricle of the heart where…
- Breast cancer gene BRCA1 A gene that normally acts to restrain the growth of cells in the breast but, when mutated, predisposes to…
- Negative-strand RNA virus Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of…