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).
Disease, acute respiratory
A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower than normal
Read the definitionRandom terms
Show more- Tuberculosis, MDR Multidrug-resistant tuberculosis. See: Tuberculosis, antibiotic-resistant
- Orchiectomy The surgical removal of one or both testes.
- Response, hyperglycemic A response resulting in a high blood sugar and specifically elevating the level of the sugar glucose in the…
- SPD calcinosis Striopallidodentate (SPD) calcinosis, a condition first described in 1930 by T. Fahr and therefore called…
- Submandibular gland The second largest of the three major salivary glands. It is located deep to the mandible (jaw bone).
- Vaccine, inactivated polio See: Polio vaccine, inactivated
- Blood in the eye Medically known as a subconjunctival hemorrhage. A very common cause of a painless bloody eye usually first…
- Hyperosmolarity In biochemistry, an osmolar concentration of the body fluids that is abnormally increased
- Bone, frontal See: Frontal bone
- Swimming pool granuloma Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…
- Drug Enforcement Administration (DEA) Every prescription written in the United States bears a DEA number, that of the prescribing doctor, the DEA…
- Spectrophobia An abnormal and persistent fear of ghosts. Sufferers of spectrophobia experience undue anxiety even though…