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).
Alpha cell, pancreatic
A type of cell in the pancreas (the organ of the digestive system located behind the stomach). Within the pancreas, the alpha cells are located in areas called the islets of Langerhans. Alpha cells make and release glucagon which raises…
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Show more- Syncope, defecation The temporary loss of consciousness upon defecating (having a bowel movement). Syncope is the temporary loss…
- Keratosis, solar Synonymous with actinic keratosis. See: Keratosis, actinic
- Department of Energy (DOE). One of the U.S. government agencies contributing to the Human Genome Project
- Occupational medicine The field of medicine encompassing occupational disease, diseases due to factors in people's occupations. For…
- Prosthetics The art and science of developing artificial replacements for body parts. Depending on the type of…
- Colitis, spastic A common gastrointestinal disorder involving an abnormal condition of gut contractions (motility)…
- Fever, Thai hemorrhagic A syndrome due to the dengue virus that tends to affect children under 10, causing abdominal pain, hemorrhage…
- Vaccination, mumps See Immunization, MMR
- Cavity, abdominal The cavity within the abdomen, the space between the abdominal wall and the spine. The abdominal cavity is…
- Optic disc The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also…
- P.o. Abbreviation meaning by mouth, orally (from the Latin 'per os', by mouth). One of a number of hallowed…
- Antifreeze poisoning Poisoning from antifreeze which today is usually ethylene glycol -- a clear, colorless, odorless liquid with…