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).
Thoracic aorta
The thoracic aorta is a section of the aorta, the largest artery in the body, within the chest. Specifically, the thoracic aorta is that part of the aorta that starts after the arch of the aorta and runs down to the diaphragm, the great…
Read the definitionRandom terms
Show more- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…
- Nail-patella syndrome An hereditary condition characterized by abnormally formed or absent nails and underdeveloped or absent…
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Neurofibromatosis, bilateral acoustic See: Neurofibromatosis type 2
- Hypertrophic gastritis See: Giant hypertrophic gastritis
- Porencephaly A disorder of the central nervous system involving a cyst or cavity in a cerebral hemisphere of the brain…
- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Inhibitor, protease An agent that can keep a protease from working and splitting a protein into peptides. Protease inhibitors are…
- Epigastrium The part of the abdominal wall above the umbilicus (belly button). The hypogastrium is the part of the…
- Genetic counselor A health professional with a specialized graduate degree and experience in the areas of medical genetics and…
- Gouty arthritis An attack that is usually extremely painful of joint inflammation due to deposits of uric acid crystals in…
- Implantation The act of setting in firmly. In embryology, implantation refers specifically to the attachment of the…