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).
Vasovagal attack
See: Vasovagal reaction
Read the definitionRandom terms
Show more- Tricuspid Having three flaps or cusps. The valve that is called the tricuspid valve is situated between the right…
- Brainstem The lowest part of the brain which merges with the spinal cord and provides the major route by which the…
- Gingivitis, ulcerative This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Nerve, pinched See: Nerve compression
- Drug, antithyroid A drug directed against the thyroid gland. The antithyroid drugs include carbimazole, methimazole, and…
- Void To urinate. Just as we can void a check and empty it of value, so can we void our bladder and empty it of…
- Zoonotic transfer The transmission of a disease from an animal host to a human. Infections transmitted from their animal host…
- Pterygium A winglike triangular membrane. Although a pterygium can be anywhere, including behind the knee, it commonly…
- Cancer, small cell lung A type of lung cancer in which the cells appear small and round under the microscope. Also called oat cell…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- Abs Commonly used slang for the abdominal muscles, the muscles running up and down in the abdominal wall. The…
- Nephrotic syndrome, minimal change See: Minimal change disease