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).
Scan, helical CAT
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, three-dimensional images of the…
Read the definitionRandom terms
Show more- Murmur A sound due to vibrations from the flow of blood through the heart or great vessels. A murmur may be innocent…
- Test, Fisher's exact A statistical test of independence much used in medical research. It tests the independence of rows and…
- Hecht-Beals syndrome See: Hecht syndrome
- Tissue A tissue in medicine is not like a piece of tissue paper. It is a broad term that is applied to any group of…
- Intercurrent disease A disease that intervenes during the course of another disease. A patient with AIDS may develop an…
- Vestibular 1) Having to do with a structure that is a vestibule (entrance), such as the vestibule of the ear. 2) Having…
- Schizophrenia Schizophrenia: One of several brain diseases whose symptoms that may include loss of personality (flat…
- Nurse, licensed vocational A nurse who has completed a one- or two-year training program in health care and earned a state license. LVNs…
- Morton's neuroma Morton's neuroma: A swollen inflamed nerve in the ball of the foot, usually between the base of the second…
- Memory 1. The ability to recover information about past events or knowledge. 2. The process of recovering…
- Parotitis Inflammation of the parotid glands. A classic feature of mumps.
- Amelanotic Without melanin. A skin lesion that is amelanotic lacks the pigment melanin and therefore is essentially…