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).
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- Autonomy, patient The right of patients to make decisions about their medical care without their health care provider trying to…
- Immune thrombocytopenic purpura A blood disorder characterized by the destruction of blood platelets due to the presence of antiplatelet…
- Permanent makeup A form of tattooing (also known as micropigmentation). Some choose permanent makeup as a time saver or…
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Chromosome 1 The largest human chromosome, comprising approximately 10% of the human genome. Chromosome 1 contains over…
- Pupil The opening of the iris. The pupil may appear to open (dilate) and close (constrict) but it is really the…
- Crohn enterocolitis See: Crohn disease
- Grannycam See: Granny cam
- HDL cholesterol Lipoproteins, which are combinations of lipids (fats) and proteins, are the form in which lipids are…
- Science (journal) A weekly journal concerning science. Science was founded in 1880 by one of the world's most famous…
- Hyoglossus The muscle that permits the tongue to be held on the floor of the mouth
- Nerve, hypoglossal The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve…