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).
Antrum
A general term for cavity or chamber which may have specific meaning in reference certain organs or sites in the body. The antrum of the stomach (gastric antrum) is a portion before the outlet which is lined by mucosa which does not…
Read the definitionRandom terms
Show more- Mongolism Obsolete name for Down syndrome. Down syndrome refers to the 19th century English physician J. Langdon Down…
- Capillaries Capillaries are the smallest of blood vessels. They serve to distribute oxygenated blood from arteries to the…
- Nasal flu vaccine A live attenuated (weakened) influenza virus vaccine that is administered as a nasal spray. The brand name…
- Prenatal radiation exposure The exposure of an unborn baby to radiation. Radiation exposure of the fetus can occur when the mother's…
- Pelizaeus-Merzbacher-like disease A disease that is virtually identical to Pelizaeus-Merzbacher disease (PMD) but without a mutation in the…
- Syndrome, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Surgery, off-pump See: Off-pump surgery
- Ophthalmoscope A lighted instrument, one of the most important tools of the physician, used to examine the interior of the…
- Acceptable daily intake Estimate of the amount of a substance in food or drinking water, expressed on a body mass basis (usually…
- Endodermal Pertaining to the endoderm or to tissues derived from the endoderm
- Ulna The larger of the two long bones within the forearm. (The smaller one is the radius). The ulna is on the same…
- Gephyrophobia An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even…