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).
Malignant giant cell tumor
A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone. The site most commonly struck by this tumor is the knee -- the far end of the femur and the near end of the tibia. The tumor is…
Read the definitionRandom terms
Show more- T cell A type of white blood cell that is of key importance to the immune system and is at the core of adaptive…
- Vibrotactile aid A mechanical instrument that helps individuals who are deaf to detect and interpret sounds through their…
- Predispose To make more likely or render susceptible. Smoking predisposes to a number of diseases, including esophageal…
- NBCCS Nevoid basal cell carcinoma syndrome, also known as the Gorlin syndrome
- Dandruff A mild skin condition that produces white flakes that may be shed and fall from the hair. Dandruff is due to…
- Cardioversion The conversion of one cardiac rhythm or electrical pattern to another, almost always from an abnormal to a…
- Heteroplasia The replacement of normal tissue of the body by abnormal tissue or by malpositioned normal tissue, a tissue…
- STD Sexually transmitted disease
- Bowel Another name for the intestine. The small bowel and the large bowel are the small intestine and large…
- Xerostomia Dry mouth. The condition of not having enough saliva to keep the mouth wet due to inadequate function of the…
- Urination, difficulty See: Dysuria
- Therapy, external beam radiation Radiation focused from a source outside the body on the affected area (for example, the cancer) within the…