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).
Central nervous system (CNS)
The central nervous system is that part of the nervous system that consists of the brain and spinal cord. The central nervous system (CNS) is one of the two major divisions of the nervous system. The other is the peripheral nervous system…
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Show more- Tobacco smoking Smoking: The direct inhalation of tobacco smoke, the basis of major health hazards. Long known to cause…
- Binucleate Having two nuclei. Binucleate cells are due to a defect in cytokinesis, the process by which two daughter…
- Tracheostomy tube Tracheostomy tube: A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a…
- Truncate To shorten, to cut short. A malformation (birth defect) may truncate a limb. A mutation may create a stop…
- Colpo- A group of diagnostic and therapeutic disciplines that are used together with conventional medicine. An…
- Sulphonylurea A triptan drug for the treatment of migraine. Marketed under the brand name Imitrex.
- Tube, nasogastric See: Nasogastric tube
- Hyperoxaluria An hereditary disorder that causes a special type of stone to form in the kidney and the urine beginning in…
- Q.3h. On a prescription, every three hours
- Muscular dystrophy, Ullrich congenital A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and…
- Ocular histoplasmosis syndrome An eye disease that is a leading cause of vision loss, due to the spread of spores of the fungus Histoplasma…
- Test, stress echocardiography A supplement to the routine exercise cardiac stress test. During stress echocardiography, the sound waves of…