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).
Nervous system, central (CNS)
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 (PNS), that part of the…
Read the definitionRandom terms
Show more- Muscular dystrophy, oculopharyngeal A form of muscular dystrophy that begins in the muscles of the eyes and throat. It usually appears between…
- Laminopathy A disease due to mutation of the lamin A/C gene. The laminopathies include: Emery-Dreifuss muscular dystrophy…
- Gallstones Gallstones: Stones that form when substances in the bile harden. Gallstones can be as small as a grain of…
- Anterior tongue The front two-thirds of the tongue. In contrast to the base of the tongue, which is the back third. The…
- Syndrome, Lenz microphthalmia See: Lenz microphthalmia syndrome
- Honey bee allergy Allergic reactions to stings of the honey bee (Apis mellifera). These reactions can include dizziness…
- MEF2A A transcription factor that participates in vascular development. MEF2A is a member of the myocyte enhancer…
- Curettement Curettage
- Trichina spiralis Is a parasitic worm that lives in the intestines and causes a serious illness known as trichinosis. The eggs…
- Depression, winter Depression, winter: See: SAD
- Syndrome, hypoplastic left heart A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Papillary muscle Small muscles within the heart that anchor the heart valves. The anchor ropes are the chordae tendineae…