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).
Fluoride
A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and some foods. Fluoride ions replace hydroxyl ions in hydroxyapatite in teeth, forming fluorapatite, which leads to fewer cavities…
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Show more- Visceral pericardium The inner layer of the pericardium, a conical sac of fibrous tissue that surrounds the heart and the roots of…
- Sublingual Underneath the tongue. A sublingual medication is a type of lozenge put under the tongue where it dissolves…
- Liquid nitrogen Nitrogen in a liquid state. Liquid nitrogen is supercool -- about 200 degrees Celsius (320 degrees…
- Hydrocephalus, acquired Hydrocephalus due to a postnatal cause, something that happened sometime after birth
- Breast abscess A local accumulation of pus within the breast due to infection. Symptoms may include painful local swelling…
- Endoscopic papillotomy See: Endoscopic sphincterotomy
- Seventh cranial nerve paralysis Known as Bell's palsy, this is paralysis of the facial nerve, the nerve that supplies the facial muscles on…
- Homosexuality 1 Trisomy of the same chromosome. The occurrence of two children in the same family with trisomy 21 is an…
- Memory span The number of items, usually words or numbers, that a person can retain and recall. Memory span is a test of…
- Low tension glaucoma See: Glaucoma, normal tension
- Resect To remove. Resect and excise are not synonymous. Excise implies total removal whereas resect need not. A…
- Shock, septic Shock caused by infection. See also septicemia.