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).
Pulse, water hammer
A jerky pulse that is full and then collapses because of aortic insufficiency (when blood ejected into the aorta regurgitates back through the aortic valve into the left ventricle). This type of pulse was likened to a water hammer, a…
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Show more- Omniscience All knowledge. Infinite awareness, understanding, and insight. Someone who (supposedly) possesses omniscience…
- Calor, dolor, rubor, and tumor Heat, pain, redness, and swelling. The four classical signs of inflammation, originally recorded by the Roman…
- Micropenis An abnormally small penis. In medical practice, the dimension of the penis that is measured is the length…
- Submaxillary gland See Submandibular gland.
- Functional scoliosis A structurally normal spine that appears to have a lateral curve (scoliosis). Nonstructural scoliosis…
- OB Abbreviation for obstetrician or for obstetrics, the art and science of managing pregnancy, labor and the…
- Pericardium The conical sac of fibrous tissue that surrounds the heart and the roots of the great blood vessels. The…
- Plague, bubonic The most common form of the plague named for the characteristic buboes which are enlarged lymph nodes…
- African tapeworm The beef tapeworm (Taenia saginata), the most common of the big tapeworms that parasitizes people, contracted…
- Anoscope An Anoscope is an instrument used for visualization of the anus and lowest portion of the rectum. An anoscope…
- Replication A turning back, repetition, duplication, reproduction
- Courier In the drug trade, someone who internally conceals and transports an illicit drug. Also called a body packer…