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).
Penicillin history
The discovery of penicillin, one of the major events in the history of medicine. In 1871 the scientist Joseph Lister by chance noticed that the mould which grows on cheese and fruit can make microbes (germs) grow weaker. He made some…
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Show more- Cutaneous allodynia Pain resulting from an innocuous stimulus to normal skin or scalp. The stimulus that triggers allodynia is…
- Sclerokeratitis Inflammation of the sclera, the tough white coat that covers most of the back of the eyeball and that is…
- EPR Abbreviation for Electrophrenic respiration. Also known as diaphragm pacing. See: Diaphragm pacing
- Olfactory disorder A loss in the ability to smell or a change in the way odors are perceived. Reduction of the sense of smell is…
- Strabismus surgery Surgery for strabismus, a condition in which the visual axes of the eyes are not parallel and the eyes appear…
- Autoimmune Pertaining to autoimmunity, a misdirected immune response that occurs when the immune system goes awry and…
- Deafness and keratopachydermia See Keratitis-ichthyosis-deafness syndrome.
- Syndrome, Reiter A chronic form of inflammatory arthritis wherein the following three conditions are combined: (1) arthritis…
- APOBEC3G A human protein that interferes with the replication of HIV by incorporating itself into virus particles and…
- Paraparesis Weakness of the lower extremities
- Fetal circulation The blood circulation in the fetus before birth. Before birth, the blood from the heart headed for the lungs…
- OCG Oral cholecystogram