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).
Brain cancer
Brain cancer: Cancer of the central information processing center of the body. Tumors in the brain can be malignant or benign, and can occur at any age. Only malignant tumors are cancerous. Primary brain tumors cancer initially forms in…
Read the definitionRandom terms
Show more- Nodular hyperplasia of the prostate See: Benign prostatic hyperplasia
- Keloid Keloid: A scar that doesn't know when to stop. When the skin is injured, cells grow back to fill in the gap…
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Hydrocephalus, normal pressure See: Normal pressure hydrocephalus
- Gangrene The death of body tissue due to the loss of blood supply to that tissue, sometimes permitting bacteria to…
- Alogia 1. Complete lack of speech, as in profound mental retardation or advanced dementia. Alogia is synonymous in…
- Emergency supplies kit An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Scan, computerized tomography Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Neoplasia The process of abnormal and uncontrolled growth of cells. The product of neoplasia is a neoplasm (a tumor)
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Hairy cell leukemia A form of chronic leukemia in which malignant B-lymphocytes (a type of white blood cell) are seen in the bone…
- Crossover study A type of clinical trial in which the study subjects receive each treatment in a random order. With this type…