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).
Amsler grid
While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid. This grid is a pattern that resembles a checkerboard. The patient covers one eye and stares at a black dot in the center of the…
Read the definitionRandom terms
Show more- Myringotomy A surgically placed tiny incision in the eardrum. Any fluid behind the eardrum can then drain and usually…
- Johnny A hospital gown. A johnny is a short collarless gown that ties in the back, worn by patients being examined…
- Duane and radial ray anomaly with deafness See: Okihiro syndrome
- Napiform A little-used but useful adjective meaning turnip-shaped. Large and round at the top and tapering down…
- Poikiloderma atrophicans with cataract Better known as the Rothmund-Thomson syndrome, this is an hereditary disease characterized by progressive…
- Nuchal Referring to the back of the neck (nape). For example, nuchal rigidity is a stiff neck, sometimes a symptom…
- Chromosome 2 The second largest chromosome in the human genome. Chromosome 2 contains over 240 million base pairs and more…
- CT colonography Another name for virtual colonoscopy. The term CT colonography provides a more accurate description of the…
- Disease, cat scratch A bacterial infection due to a cat scratch seen most often today in people with HIV. The disease…
- Tropical oil Coconut, palm kernel or palm oil. Like all fats and oils, these three oils contain various types of fatty…
- Cancer, uterus See: Uterine cancer
- OB/GYN A commonly used abbreviation. OB is short for obstetrics or for an obstetrician, a physician who delivers…