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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Tracheostomy tube
Tracheostomy tube: A 2- to 3-inch metal or plastic tube that keeps the stoma and trachea open. Also called a trach ('trake') tube
Read the definitionRandom terms
Show more- Werner syndrome A premature aging disease that begins in adolescence or early in adulthood and results in apparent old age by…
- Severe combined immunodeficiency disease >X-linked SCID, the most common type, a genetic flaw damages molecules that allow T cells and B cells to…
- Infectivity The proportion of persons exposed to an infectious agent who become infected by it
- Fear of thunder An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Immunodepression See immunosuppression
- Immunotherapy, allergy Stimulation of the immune system with gradually increasing doses of the substances to which a person is…
- Venous aneurysm A local widening and bulging (an aneurysm) of a vein. As opposed to an arterial aneurysm or a cardiac…
- Cerebral Pertaining to the brain, the cerebrum or the intellect. The word 'cerebral' was borrowed directly from the…
- Caesarian section, vaginal birth after It was once the rule that after a C-section, the next delivery also had to be by C-section. Now vaginal…
- Minocycline A tetracycline antibiotic used to treat many different bacteria in urinary tract infections, acne, gonorrhea…
- Ethmoid sinus A collection of air cells within the ethmoid bone, a spongy bone which makes up the front of the floor of the…
- Noncoding DNA The strand of DNA that does not carry the information necessary to make proteins. DNA normally has two…