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.
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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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Hypokalemia
Low blood potassium. Potassium is the major positive ion (cation) found inside of cells. The chemical notation for potassium is K+. The proper level of potassium is essential for normal cell function. An abnormal decrease (or increase) of…
Read the definitionRandom terms
Show more- Ortholog A gene in two or more species that has evolved from a common ancestor. Also called an orthologous gene
- Periodontitis Gum disease. The word 'periodontitis' literally means 'inflammation around the tooth.' Periodontitis and all…
- Laryngeal papillomatosis, juvenile Narrowing or constricting of the larynx, the voice box.
- Cytosis 1. Suffix referring to cells, as in anisocytosis (inequality in the size of red blood cells), elliptocytosis…
- Gout Gout: Condition characterized by abnormally elevated levels of uric acid in the blood, recurring attacks of…
- Magnetic resonance spectroscopic imaging (MRSI) A noninvasive imaging method that provides information about cellular activity (metabolic…
- Sixth cranial nerve The sixth cranial nerve is the abducent nerve, a small motor nerve that has one task: to supply a muscle…
- Antifungal agent A drug used to treat fungal infections. Examples of antifungal drugs include miconazole (MONISTAT) and…
- Infection, urinary tract (UTI) An infection in the urinary system that begins when microorganisms cling to the opening of the urethra (the…
- Citrulline antibody Citrulline antibody: An antibody (an immune protein) directed against a circular peptide (a ring of amino…
- Transmission distortion Distortion in the transmission of genes or chromosomes to the offspring, resulting in a significant…
- Cranial nerve, eleventh The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…