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.
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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).
Heights, fear of
An irrational unreasonable fear of heights is called acrophobia. From the Greek 'acron', height + 'phobos', fear
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- Babesiosis An illness caused by the parasite Babesia which is transmitted from animals to humans by ticks. In the US, it…
- RNA silencing See: RNA inactivation; and RNA interference
- DHHS Acronym for the U.S. Department of Health and Human Services. Also known as HHS. The U.S. Department of…
- Body, amygdaloid See: Amygdaloid nucleus
- Cancer, colon A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers develop from…
- Echocardiography, transesophageal A diagnostic test which is done through the esophagus and which employs ultrasound waves to make images of…
- Needlestick injury A penetrating stab wound from a needle (or other sharp object) that may result in exposure to blood or other…
- Sterilization, male surgical Male surgical sterilization is done by vasectomy which involves sealing, tying or cutting a man's vas…
- Syndrome, fetal alcohol (FAS) The sum total of a person's problems caused by maternal alcohol intake during pregnancy