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).
Field, visual
The entire area that can be seen when the eye is directed forward, including that which is seen with peripheral vision. The visual field can be tested to measure the extent and distribution of the field of vision. The test may be done by a…
Read the definitionRandom terms
Show more- Syndrome, myelodysplastic See: Myelodysplastic syndrome
- Condyloma acuminatum See: Genital wart
- Hypotension, orthostatic A temporary lowering of blood pressure (hypotension) due usually to suddenly standing up (orthostatic)…
- Malacia Softening. For example, osteomalacia is softening while chondromalacia is softening of cartilage. From the…
- Radiation therapy, targeted A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…
- Gap junction An organized collections of protein channels in cell membranes that allows ions and small molecules to pass…
- Seizure, tonic-clonic See: Tonic-clonic seizure
- Spinal stenosis Narrowing of the spaces in the spine, resulting in compression of the nerve roots or spinal cord by bony…
- CA 125 CA 125: A cancer marker, a protein normally made by certain cells in the body including those of the uterine…
- Watson See: Watson, James
- Ectopic In the wrong place. Out of place. An ectopic kidney, for example, is one that is not in the usual location…
- Lichtenberg figures A fern-leaf pattern of reddish, painless marks on the skin that are a result of a skin reaction to a…