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).
Behavior center, moral
An area of the brain in what is known as the prefrontal cortex. Children who suffer damage before 16 months of age to the prefrontal cortex in the front of the brain tend later to display pathological behavior problems. From such cases, it…
Read the definitionRandom terms
Show more- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- Deficiency, iron The most common known form of nutritional disorder in the world, iron deficiency results in anemia because…
- Single palmar flexion line Simian crease
- Acetic acid The acid most commonly associated with vinegar. Acetic acid is a two-carbon carboxylic acid. Its formula is…
- XY The most frequent sex chromosome complement in human males
- Spermicide, vaginal A vaginal spermicide is a substance that will kill sperm in the vagina. Vaginal spermicides are available in…
- Dysentery Inflammation of the intestine, often with pain, diarrhea, bloody stools, etc. It is usually caused by…
- Sune K. Bergstrom See: Bergstrüm, Sune K.
- Word blindness A neurological disorder characterized by loss of the ability to read or understand the written word. Word…
- Esotropia Cross-eyed or, in medical terms, convergent or internal strabismus
- Scoliosis Scoliosis: Sideways (lateral) curving of the spine (the backbone). The degree of scoliosis may range from…
- Visual acuity test This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…