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).
Flexion
The process of bending or the state of being bent. Flexion of the fingers results in a clenched fist.
Read the definitionRandom terms
Show more- Basilar Located at or near the base of a structure, especially the base of the skull. For example, a basilar fracture…
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)
- Nervous system, peripheral (PNS) That portion of the nervous system that is outside the brain and spinal cord. The peripheral nervous system…
- Homotrisomy Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…
- Injury, scooter See: Scooter injury
- Migraine aura Sensory phenomena that may occur before a migraine. Visual auras may include flashing lights, geometric…
- Pianist's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs when playing the…
- Paul Ehrlich 1. Paul Ehrlich (1854-1915), renowned German scientist and physician. See: Ehlich, Paul. 2. Paul R. Ehrlich…
- Meatus An opening or passageway. For example, the female urethral meatus. The urethra is the transport tube from the…
- Ophthalmoscopy Examination of the interior of the eye, including the lens, retina and optic nerve, by indirect or direct…
- Acute brain syndrome See: Delirium
- Carotid artery A key artery located in the front of the neck though which blood from the heart goes to the brain. There are…