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).
Miosis
Contraction of the pupil. The opposite of mydriasis.
Read the definitionRandom terms
Show more- Paul C. Lauterbur See: Lauterbur, Paul C.
- VAQTA See: Varus.
- Cancer registry A register designed to collect information about the occurrence (incidence) of cancer, the types of cancers…
- Genome Database The Genome Database (GDB) is the official central repository for genomic mapping data resulting from the…
- Wisdom tooth See: Tooth, wisdom
- Thrombophlebitis Inflammation of a vein that occurs when a blood clot forms
- Castration Removal of the sex glands, usually used to indicate removal of the male testicles
- Aleut health See: Artic health
- Finger stick A procedure in which a finger is pricked with a lancet to obtain a small quantity of capillary blood for…
- Auditory cortex The part of the brain that is concerned with hearing. The auditory cortex is the temporal lobe, which the…
- Gray's Anatomy A book entitled 'Anatomy Descriptive and Surgical' by Henry Gray appeared in 1858. Little could Dr. Gray have…
- Uterine contraction The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…