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).
False positive
A result that is erroneously positive when a situation is normal. An example of a false positive: a particular test designed to detect cancer of the toenail is positive but the person does not have toenail cancer
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Show more- Cerebral fornix An arching fibrous band in the brain connecting the two lobes of the cerebrum. (The cerebrum is the largest…
- Syndrome, fish-odor An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Second stage of labor The part of labor from the full dilatation of the cervix until the baby is completely out of the birth canal…
- Community-acquired infection An infection acquired in the community. In contrast to a nosocomial (hospital-acquired) infection
- Contiguous gene syndrome A disorder due to deletion of multiple gene loci that are adjacent to one another. Contiguous gene syndromes…
- Septum, ventricular The wall between the two lower chambers (the right and left ventricles) of the heart
- Script An informal colloquial term for a prescription. Derived from prescription by removing both its beginning and…
- Subacute spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Quadriparesis Weakness of all four limbs, both arms and both legs, as for example from muscular dystrophy.
- Panic disorder Panic disorder: A disorder characterized by sudden attacks of fear and panic. The episodes may resemble a…
- Calcitonin Calcitonin: A hormone produced by the thyroid gland that lowers the levels of calcium and phosphate in the…
- Necrosis The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow)…