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).
LN2
Liquid nitrogen
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Show more- The Lancet A weekly medical journal headquartered in London. Published uninterruptedly and with the same title since…
- Artery, central retinal The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Left ventricle The left lower chamber of the heart that receives blood from the left atrium and pumps it out under high…
- Rapid plasma reagin test A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative…
- Orgasmic dysfunction See: Anorgasmia
- European typhus See: Typhus, epidemic
- Johnson-Stevens syndrome See: Stevens-Johnson syndrome.
- Cyst A cyst is an abnormal, closed sac-like structure within a tissue that contains a liquid, gaseous, or…
- Macroglossia Enlarged tongue. Macroglossia is sometimes said to be associated with Down syndrome, but in that disorder the…
- Sapporo-like virus See: Sapovirus
- Ossicle Any small bone, such as the tiny bones within the human ear
- Q bands A form of chromosome band, one of the bright and dull fluorescent bands seen alternating along the length of…