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…
Read the definitionRandom terms
Show more- Somatostatin A hormone widely distributed throughout the body, especially in the hypothalamus and pancreas, that acts as…
- Retic count Short for reticulocyte count
- Scorpion venom The potent poison of the scorpion, an insect that has an elongated body and a segmented, curved tail tipped…
- Adductor muscle Any muscle that pulls a body part toward the midline. For example, the adductor muscles of the legs pull the…
- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Cell, T-helper See: T-helper cell
- N-nitroso-fenfluramine A variant of fenfluramine. See: Fenfluramine
- Postop Short for postoperative, after surgery. The opposite of postop is preop
- Hypermobility syndrome Hypermobility syndrome: A common benign childhood condition involving hypermobile joints (that can move…
- Bar chart Proper term in mathematics for what is popularly called a bar graph. See: Bar graph
- Colorectal cancer family history See: Colon cancer family history
- Alternative Medicine, National Center for Compleme See: National Center for Complementary & Alternative Medicine