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).
Sleep apnea, obstructive
Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes its name to a Greek word, apnea, meaning 'want of breath.' There are two types of sleep apnea: central and obstructive. > >Central…
Read the definitionRandom terms
Show more- Arthroscope A thin flexible fiberoptic scope which is introduced into a joint space through a small incision in order to…
- Duct A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct…
- Allergic conjunctivitis Inflammation of the whites of the eyes (the conjunctivae) with itching and redness of the eyes and tearing…
- Cystine kidney stones Cystine kidney stones are due to cystinuria, an inherited (genetic) disorder of the transport of an amino…
- Typhoid See: Typhoid fever
- Developmental delay Behind schedule in reaching milestones of early childhood development.
- White phosphorus A waxy solid which burns easily and is used in chemical manufacturing and smoke munitions. It is also used by…
- Allergen A substance that is foreign to the body and can cause an allergic reaction in certain people. For examples…
- Urea A nitrogen-containing substance normally cleared from the blood by the kidney into the urine. Diseases that…
- Splenectomy An operation to remove the spleen
- CM A centimorgan, a unit of measure of genetic recombination frequency. One cM is equal to a 1% chance that a…
- Cancer of the tongue See: Tongue cancer