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).
DNA (did not attend)
In the UK, DNA is an abbreviation for 'did not attend.' (In the US, the term used for a patient who missed an appointment is 'no-show.'
Read the definitionRandom terms
Show more- Laryngectomy, partial A surgical procedure on the voice box designed to preserve the voice. The surgeon removes part of the voice…
- Xanth- (prefix) A colorful prefix relating to a yellow color. 'Xanth-' is related to the word 'xanthic' which has its roots…
- Heart, left The heart is composed functionally of two hearts - the right heart and the left heart. The left heart…
- Streptococcus haemolyticus Another name for streptococcus pyogenes
- Taste bud One of the tiny, barrel-shaped endings of the gustatory nerve located around the base of the papillae (small…
- Fear of loneliness An abnormal and persistent fear of loneliness, of being alone. Sufferers of this fear experience undue…
- HIV Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodeficiency syndrome). HIV has…
- AMD Age-related macular degeneration (which may also be abbreviated as ARMD)
- Medical research resource, ATCC as E Culture Collection as: Although little known to the general public, the American Type Culture Collection…
- Fever, undulant An infectious disease due to the bacteria Brucella that characteristically causes rising and falling fevers…
- Mustard plaster A mild mixture of mustard seed powder, an adhesive such as flour, and water warmed and spread on a moist…
- Esophageal stricture, chronic A longstanding narrowing or closure of the normal opening of the swallowing tube leading to the stomach…