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).
Gallbladder
A pear-shaped organ just below the liver that stores the bile secreted by the liver. During a fatty meal, the gallbladder contracts, delivering the bile through the bile ducts into the intestines to help with digestion. Abnormal…
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Show more- Chemo Slang for chemotherapy -- drug therapy for cancer. Most anticancer drugs are given IV (into a vein) or IM…
- Attenuated FAP Attenuated familial adenomatous polyposis
- Familial Parkinson disease type 7 A familial form of Parkinson disease inherited in an autosomal recessive manner due to mutation in the DJ1…
- Birthmark A persistent visible mark on the skin that is evident at birth or shortly thereafter. A birthmark is often…
- PRK (photorefractive keratectomy) A kind of laser eye surgery designed to change the shape of the cornea to eliminate (or reduce) the need for…
- Cephal- Prefix indicating the head
- Nerve, tenth cranial The tenth cranial nerve, and one of the most important, is the vagus nerve. All twelve of the cranial nerves…
- Syndrome, Poland A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one…
- Pathologist A doctor who identifies diseases by studying cells and tissues under a microscope
- Empiric risk The chance that a disease will occur in a family based upon experience (past history, medical records, etc.)…
- Legionella The bacterium that causes Legionnaires' disease. This disease is due specifically to the bacterium Legionella…
- Alternating hemiplegia syndrome See: Alternating hemiplegia of childhood