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).
Test, pupil dilation
An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of tissue at the back of the eye. Dilating (widening) the pupil permits the retina to be examined for signs of disease. To do this…
Read the definitionRandom terms
Show more- Tuberoeruptive xanthoma See: Eruptive xanthoma
- Fungus, foot Athlete's foot causes foot itching, burning, pain, and scaling. It is caused by a fungus and is treated with…
- Estimated date of confinement (EDC) The due date or estimated calendar date when a baby will be born
- Hyperphosphatemia A higher than normal blood level of phosphate. Phosphate molecules are particularly important as part of…
- Dysplastic nevi Atypical moles whose appearance is different from that of a common ordinary mole. Dysplastic nevi tend to be…
- Monosomy Missing one chromosome from a pair. For example, if a female has one X chromosome (X monosomy) rather than…
- Stage of dilatation The part of labor when the cervix dilates fully (to 10 centimeters). Also called the first stage of labor
- Androgen ablation Treatment designed to suppress or block the production of male hormones. Androgen suppression can be achieved…
- Claudication Claudication: Limping. The word 'claudication' comes from the Latin 'claudicare' meaning to limp. The Roman…
- Common bile duct The duct that carries bile from the gallbladder and liver into the duodenum (the upper part of the small…
- Neck, chronic stiff Also called torticollis or spasmodic torticollis, this is the most common of the focal dystonias: a state of…
- Calcium A mineral found mainly in the hard part of bones, where it is stored. Calcium is added to bones by cells…