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).
Brachial plexus
>Avulsion, the most severe type, in which the nerve is torn from the spine; >Rupture, in which the nerve is torn but not at the spinal attachment; >Neuroma, in which the nerve has tried to heal itself but scar tissue has grown around the…
Read the definitionRandom terms
Show more- Helper cell A type of T cell that participates in the immune response by recognizing foreign antigens and secreting…
- Rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- ALS Amyotrophic lateral sclerosis. ALS has two meanings. One meaning of ALS refers to several adult diseases…
- Involuntary smoking The involuntary inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Low back pain Low back pain: Pain in the lower back area that can relate to problems with the lumbar spine, the discs…
- Lumbar puncture Lumbar puncture: A lumbar puncture or 'LP' is a procedure whereby spinal fluid is removed from the spinal…
- Syndrome, carcinoid A syndrome due to carcinoid tumor which secretes large amounts of the hormone serotonin. The syndrome is…
- Radioisotope A version of a chemical element that has an unstable nucleus and emits radiation during its decay to a stable…
- Typist's cramp A dystonia that affects the muscles of the hand and sometimes the forearm and only occurs during handwriting…
- Menstrual Pertaining to menstruation (the menses), as in last menstrual period, menstrual cramps, menstrual cycle, and…
- Arborvirus What's in a name? Although 'arbor' sounds as if it should have something to do with trees, it doesn't. It…
- Infection, urinary tract (UTI) An infection in the urinary system that begins when microorganisms cling to the opening of the urethra (the…