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).
CALLA
Common acute lymphocytic leukemia antigen. See: Metallomembrane endopeptidase
Read the definitionRandom terms
Show more- Distal The more (or most) distant of two (or more) things. For example, the distal end of the femur (the thigh bone)…
- P. cepacia Pseudomonas cepacia, a bacterium now known as Burkholderia cepacia. See: Burkholderia cepacia
- Essential oil An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some…
- Negative, false A result that appears negative but fails to reveal a situation. An example of a false negative: a particular…
- Presentation, breech Birth in which the buttocks present before the head
- Stroke Stroke: The sudden death of some brain cells due to a lack of oxygen when the blood flow to the brain is…
- Respiratory system The organs that are involved in breathing. These include the nose, throat, larynx, trachea, bronchi, and lungs
- Pseudoxanthoma elasticum Pseudoxanthoma elasticum: (Abbreviated PXE). A genetic disorder characterized by degeneration of elastic…
- Ring chromosome A structurally abnormal chromosome in which the end of each chromosome arm has been lost and the broken arms…
- Saccharin An artificial sweetener which diluted in water is 300-500 times sweeter than the sugar sucrose. (Saccharin is…
- Panic disorder Panic disorder: A disorder characterized by sudden attacks of fear and panic. The episodes may resemble a…
- IHS Interleukin-1.