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).
Fear of children
An abnormal and persistent fear of babies and children. Sufferers experience anxiety even though they realize their fear is groundless. Rearing a child or being around active children can both produce anxiety. Fear of children is termed…
Read the definitionRandom terms
Show more- Counterpulsation A technique that synchronizes the external pumping of blood with the heart's cycle to assist the circulation…
- Ultrasound during pregnancy Ultrasound imaging has been done during pregnancy for over three decades. It has proven to be a very useful…
- Ampulla In anatomy, a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts…
- Valve, mitral One of the four valves of the heart, the mitral valve is situated between the left atrium and the left…
- Alpha synuclein See: Alpha-synuclein
- Cholescintigraphy Cholescintigraphy: A diagnostic test in which a two-dimensional picture of a radiation source in the biliary…
- Plague, bubonic The most common form of the plague named for the characteristic buboes which are enlarged lymph nodes…
- Virus, lymphadenopathy Another name for the human immunodeficiency virus (HIV), the cause of AIDS. Please see: Virus, human…
- Acou- Combining form relating to hearing. As in acoustic, otoacoustic emission test, and presbyacousia
- Neoplasm A tumor. An abnormal growth of tissue. The word neoplasm is not synonymous with cancer. A neoplasm may be…
- Microvascular surgery Surgery on very small blood vessels such as those only 3 to 5 millimeters in diameter. Microvascular surgery…
- Laryngectomy, total A surgical procedure in which the whole voice box is removed, and the stoma opening into the larynx is…