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).
Ion channel
A protein that acts as a pore in a cell membrane and permits the selective passage of ions (such as potassium ions, sodium ions, and calcium ions), by means of which electrical current passes in and out of the cell. Ion channels also serve…
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Show more- Hera In Greek mythology, a protector of women, who with her daughter Eileithyia was often called upon during…
- Fetal dystocia Difficult labor and delivery caused by the size (too big), shape or position of the fetus. Dystocia comes…
- Spanish disease Syphilis. Depending upon someone's thoughts as to where the disease came from, syphilis was also known as the…
- Apoplexy A venerable term for a stroke, a cerebrovascular accident (CVA), often associated with loss of consciousness…
- Prescription A physician's order for the preparation and administration of a drug or device for a patient. A prescription…
- HPIV Human parainfluenza virus
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- STOP (selective tubal occlusion procedure) A nonsurgical form of permanent birth control in which a physician inserts a 4-centimeter (1.6 inch) long…
- Lindau-von Hippel syndrome See Von Hippel-Lindau syndrome
- LAAM Levo-alpha acetyl methadol, an alternative to methadone that blocks the effects of opiates for up to 72 hours…
- Matter, white The part of the brain that contains myelinated nerve fibers. The white matter is white because it is the…
- Dermatitis Inflammation of the skin, either due to direct contact with an irritating substance, or to an allergic…