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).
Syndrome, Zollinger-Ellison
A rare disorder caused by a tumor called a gastrinoma, most often occurring in the pancreas. The tumor secretes the hormone gastrin, which causes increased production of gastric acid leading to severe recurrent ulcers of the esophagus…
Read the definitionRandom terms
Show more- Ovarian cancer test CA 125 See: CA 125
- Binocular vision The ability to maintain visual focus on an object with both eyes, creating a single visual image. Lack of…
- DNA, mitochondrial Mitochondrial DNA (mtDNA) is the DNA of the mitochondrion, a structure situated in the cytoplasm of the cell…
- AIH (artificial insemination by husband) A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the…
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- Warshaw See: Warshaw, Joseph
- Hematuria, microscopic Blood in the urine that is visible only under a microscope. There is so little blood that it cannot be seen…
- Laryngoscopy Examination of the larynx with a mirror (indirect laryngoscopy) or with a laryngoscope (direct laryngoscopy)…
- Respiratory disease, acute A sudden condition in which breathing is difficult and the oxygen levels in the blood abruptly drop lower…
- Pneumonic plague Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals…
- Fire, St. Anthony's The intensely painful burning sensation in the limbs and extremities caused by ergot, the consequence of a…
- Sixth cranial nerve The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…