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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Randomized clinical trial
A clinical trial in which the participants are assigned randomly (by chance alone) to different treatments. See also: Randomized controlled trial
Read the definitionRandom terms
Show more- Mucopolysaccharidosis type VI Maroteaux-Lamy syndrome, due to deficiency of the enzyme N-acetylgalactosamine-4-sulfatase. See also…
- Test, inkblot A test used in clinical psychology and psychiatry involving inkblots. The inkblots are used to determine what…
- Beard The hair that normally grows on the male face after puberty. Testosterone, the most potent of the naturally…
- Mismatch repair A system within the cell for correcting errors in DNA that works by detecting and replacing bases in the DNA…
- Pimple A small papule or pustule. Pimples are sebaceous glands (oil glands) that are infected with bacteria, become…
- Abuse, elder See: Elder abuse
- Psoralen Any of a number of drugs and other substances containing chemicals that react with ultraviolet (UV) light to…
- Desquamation The shedding of the outer layers of the skin. For example, once the rash of measles fades, there is…
- Oncogene 1. A gene that played a normal role in the cell as a proto-oncogene and that has been altered by mutation and…
- Alopecia, traumatic Hair loss caused by injury to the scalp. Traumatic alopecia is usually caused by grooming methods that…
- Patient-controlled analgesia See: PCA
- Virus, positive-strand RNA See: Positive-strand RNA virus