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).
Atypical
Not typical, not usual, not normal, abnormal. Atypical is often used to refer to the appearance of precancerous or cancerous cells
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Show more- Radiation therapy, stereotactic The use of a number of precisely aimed beams of ionizing radiation, each coming from different directions and…
- Staging In regard to cancer, the process of doing examinations and tests to learn the extent of the cancer…
- Hematuria Blood in the urine. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be…
- Messenger RNA The key intermediary in gene expression, translating the DNA's genetic code into the amino acids that make up…
- Balance, acid-base Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutral pH (that is…
- National Institute of Nursing Research One of the National Institutes of Health, NINR's mission is to 'sponsor research that focuses on the clinical…
- Heart disease Heart disease: Any disorder that affects the heart. Sometimes the term 'heart disease' is used narrowly and…
- Wet brain See: Cerebral edema
- Diaphragmatic hernia Hernia: Passage of a loop of bowel through the diaphragm muscle. This type of hernia occurs as the bowel from…
- Black plague In 14th-century Europe, the victims of the 'black plague' had bleeding below the skin (subcutaneous…
- Cranial nerve, tenth The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Large cell carcinoma A group of lung cancers in which the cells are large and look abnormal