MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Cat eye syndrome
A constitutional chromosome abnormality (one that is present at or before birth) with multiple malformations characterized by the combination of a cat-like slit of the iris of the eye (vertical coloboma) and no anal opening (anal atresia)…
Read the definitionRandom terms
Show more- Cryoelectron microscopy See: Cryo-electron microscopy
- Cardiac tamponade A life-threatening situation in which there is such a large amount of blood or other fluid inside the…
- Cyst, thyrolingual See: Thyroglossal cyst
- Trp . Tryptophan. See also: Amino acid symbols
- Nerve, oculomotor The oculomotor nerve is the third cranial nerve. (The cranial nerves emerge from or enter the cranium, the…
- Neuroma A tumor that arises in nerve cells
- LVRS Lung volume reduction surgery. See: Lung reduction surgery
- Respiratory system The organs that are involved in breathing. These include the nose, throat, larynx, trachea, bronchi, and lungs
- Category 4 storm See: Category four hurricane
- Infection, ear (acute middle) Acute middle ear infection, medically called acute otitis media is inflammation of the middle ear. Acute…
- Case-fatality percentage See: Case-fatality proportion
- Fingernail A fingernail is produced by living skin cells in the finger. A fingernail consists of several parts including…