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.
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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).
System, peripheral nervous (PNS)
That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system (PNS) is one of the two major divisions of the nervous system. The other is the central nervous system (CNS) which is made up of…
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Show more- Formalin A 37% aqueous (water) solution of formaldehyde, a pungent gas, with the chemical formula HCHO, used as an…
- Elbow pain Elbow pain: Elbow pain is most often the result of tendinitis, which can affect the inner or outer elbow…
- Neutrophilia More than the normal number of neutrophils, a type of white blood cell (specifically a form of granulocyte)…
- Fascinoma Medical slang for a fascinating case, usually involving a rare disease
- Pneumopericardium Air or gas in the space between the heart and the pericardium, the membrane surrounding the heart.
- Dermabrasion Dermabrasion: Dermabrasion is a surgical procedure that involves the controlled abrasion (wearing away) of…
- Collagenopathy Any one of a group of disorders that affect connective tissue, the tissue that supports the body's joints and…
- Pulse, collapsing See: Pulse, water hammer
- Psychosis, intensive care unit A disorder in which patients in an intensive care unit (ICU) or a similar hospital setting may experience…
- Heel spur A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- PFT Pulmonary function test, a test designed to measure how well the lungs are working. PFTs gauge how the lungs…
- Immunization, infectious hepatitis See Immunization, hepatitis A