MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
CAT scan, helical
CAT scan, helical: A conventional computerized axial tomography scan (CAT scan or CT scan) is an x-ray procedure which combines many x-ray images with the aid of a computer to generate cross-sectional views and, if needed…
Read the definitionRandom terms
Show more- JAK3 Or Jak3. An enzyme found only in cells in the immune system that is critical for the cell signaling process…
- Single transverse palmar crease Preferable term for what historically was called a simian crease. See: Simian crease
- Cord, spinal See: Spinal cord
- LAM Lymphangioleiomyomatosis
- Rickettsial diseases The infectious diseases caused by the rickettsiae fall into 4 groups:(1) typhus: epidemic typhus…
- Myocyte, cardiac See: Cardiac myocyte
- Therapy, grief See: Grief therapy
- Antidiabetic agent A substance that helps a person with diabetes control their level of glucose (sugar) in the blood…
- Polymorphism A variation in the DNA that is too common to be due merely to new mutation. A polymorphism must have a…
- Coxsackie virus Coxsackie virus: See: Coxsackievirus.
- Cachexia Physical wasting with loss of weight and muscle mass caused by disease. Patients with advanced cancer, AIDS…
- Laser coagulation The coagulation (clotting) of tissue using a laser. A coagulation laser produces light in the visible green…