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).
Elbow joint
Three long bones meet in the middle portion of the arm at the elbow joint. The bone of the upper arm (humerus) meets both the ulna (the inner bone of the forearm) and radius (the outer bone of the forearm) to form a hinge joint. And the…
Read the definitionRandom terms
Show more- Adrenal cortex The outer portion of the adrenal gland located on top of each kidney. The adrenal cortex produces steroid…
- Braxton Hicks contractions Irregular contractions of the womb (the uterus) occurring towards the middle of pregnancy in the first…
- DNA cloning The use of DNA manipulation procedures to produce multiple copies of a single gene or segment of DNA
- Bloody sputum Coughed up blood or bloody mucus. Bloody sputum can be caused by infection in the lungs and airways, such as…
- Koplik's spots Little spots inside the mouth that are highly characteristic of the early phase of measles (rubeola). The…
- Tympanum In anatomy, the drum of the ear, the eardrum, the tympanic membrane. The tympanum resembles the head of a…
- Targeted radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Sabin, Albert (1906-93) Pioneering researcher on viruses and viral diseases who developed the oral live-virus vaccine…
- Nasogastric Referring to the passage from the nose to the stomach. A nasogastric tube is one that is passed through the…
- Vertebral compression fracture One of the last two ribs. A rib is said to be "vertebral" if it does not attach to the sternum (the breast…
- Gamma globulin A major class of immunoglobulins found in the blood, including many of the most common antibodies circulating…
- Silver poisoning Silver poisoning, medically termed argyria, causes ashen gray discoloration of the skin (and other tissues of…