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).
Nonoxynol
Nonoxynol-9 is the most commonly encountered spermatocide in the United States. As with other spermatocides, it destroys spermatozoa; it kills sperm. The nonoxynols, technically speaking, are nonionic surfactant [surface active] mixtures…
Read the definitionRandom terms
Show more- Rate, sedimentation A blood test that detects and monitors inflammation in the body. It measures the rate at which red blood…
- Anemia, Cooley's Anemia, Cooley's: Better known today as thalassemia (or as beta thalassemia or thalassemia major). The…
- Disease, new variant Creutzfeldt-Jakob Abbreviated nvCJD. A human disease thought due to the same infectious agent as bovine spongiform…
- Keratoconjunctivitis Inflammation of the eye involving both the cornea and the conjunctiva. Keratoconjunctivitis can be due to…
- Cataract surgery Cataract surgery: Removal of the clouded lens (the cataract) in its entirety by surgery, usually followed by…
- Wagner syndrome See: Stickler syndrome
- Retardation, reading Reading retardation means impaired ability to read. Reading retardation is an impairment that may, for…
- Partial seizure A seizure that affects only one part of the brain. Symptoms depend on which part is affected. One part of the…
- Reaction, vasovagal See: Vasovagal reaction
- Obstruction Blockage of a passageway. See, for example: Airway obstruction; Intestinal obstruction
- Microtubule motor protein A protein that plays a role in spindle assembly and function or in chromosome movement during meiosis or…
- Fourth disease A disorder characterized by a rash due to a toxin produced by Staphylococcus aureus (Staph aureus bacteria)…