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).
Hypermobility syndrome
Hypermobility syndrome: A common benign childhood condition involving hypermobile joints (that can move beyond the normal range of motion). Symptoms include pains in knees, fingers, hips, and elbows. The affected joints may sprain or…
Read the definitionRandom terms
Show more- Protein requirements, infant Proteins contain different amino acids that are linked together. Proteins provide both calories and the amino…
- Ossification The process of creating bone, that is of transforming cartilage (or fibrous tissue) into bone. The human…
- Sperm A sperm is the male 'gamete' or sex cell. It combines with the female 'gamete,' called an ovum, to form a…
- ACE (angiotensin converting enzyme) The angiotensins are peptides (substances smaller than proteins) that act as vasoconstricting agents (causing…
- Parasplenic Located near or alongside of the spleen. The spleen is an organ located in the upper left part of the abdomen…
- Pulmonary tuberculosis See: Tuberculosis, pulmonary.
- Anemia, Addison Anemia, Addison: A blood disorder caused by a lack of vitamin B12. Patients who have this disorder do not…
- Lateral X-ray An X-ray picture taken from the side
- Tricyclic antidepressant One of a class of medications used to treat depression. The tricyclic antidepressants are also used for some…
- Computerized axial tomography scan Pictures of structures within the body created by a computer that takes the data from multiple X-ray images…
- Sequence tagged site (STS) A short (200 to 500 base pair) DNA sequence that occurs but once in the genome and whose location and base…
- Vaccination, yellow fever A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…