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).
Scan, spiral 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- Android pelvis There are significant differences in the anatomy of the pelvis in the female and male. The android or male…
- Epispadias Congenital (at birth) malformation in which the opening of the urethra (from whence comes the urinary stream)…
- Willis, circle of A cancer of the kidney and one of the most important malignancies in childhood, due to loss or inactivation…
- Euthyroid The state of having normal thyroid gland function. As opposed to hyperthyroid (overactive thyroid) and…
- Hematoma, intracerebral See: Intracerebral hematoma
- Type II error The statistical error (said to be 'of the second kind' or beta error) made in testing an hypothesis when it…
- Burn, first degree A superficial burn with similar characteristics to a typical sun burn. The skin is red in color and sensation…
- Jail fever See: Typhus, epidemic
- Cyst, Baker A swelling in the space behind the knee (the popliteal space) composed of a membrane-lined sac filled with…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Ileum The lowest part of the small intestine, located beyond the duodenum and jejunum, just before the large…
- Diverticulum, Zenker See: Zenker diverticulum