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).
Peptic ulcer
Peptic ulcer: A hole in the lining of the stomach, duodenum, or esophagus. A peptic ulcer of the stomach is called a gastric ulcer, an ulcer of the duodenum is a duodenal ulcer, and a peptic ulcer of the esophagus is an esophageal ulcer. A…
Read the definitionRandom terms
Show more- Hemoglobin A Normal adult hemoglobin, the main type of hemoglobin after infancy. The A stands for Adult
- Ciliary neuralgia A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Nipple, supernumerary An extra nipple. Supernumerary nipples are usually smaller than normal and vestigial (nonfunctional, without…
- Chronic obstructive lung disease (COLD) Any disorder that persistently obstructs bronchial airflow. COLD mainly involves two related diseases --…
- Cone A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp…
- Lab result The result of a test done in a laboratory
- Cholera genome The genome of the bacterium called Vibrio cholerae that causes cholera. This genome contains over 4 million…
- Temporary loss of consciousness A partial or complete loss of consciousness with interruption of awareness of oneself and ones surroundings…
- Obese Well above ones normal weight. A person has traditionally been considered to be obese if they are more than…
- Body, amygdaloid See: Amygdaloid nucleus
- Imprinting, psychological A remarkable genetic phenomenon that occurs in animals, and theoretically humans, in the first hours of life…
- Occupational medicine The field of medicine encompassing occupational disease, diseases due to factors in people's occupations. For…