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).
Nicotine
Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produced synthetically. In the plant kingdom, nicotine is not restricted to tobacco but is widespread. The tobacco plant, Nicotiana tabacum, belongs to the…
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Show more- Occupational Safety and Health, Nat'l Institut for Better known as NIOSH, the National Institute for Occupational Safety and Health is a US Federal agency…
- Positive end-expiratory pressure The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange…
- Hallucination A profound distortion in a person's perception of reality, typically accompanied by a powerful sense of…
- Sinuous Curving in and out; in a serpentine, wavy form; winding. From the Latin noun 'sinus,' which means 'curve…
- Retina, detached A retina that separates from its connection at the back of the eye. The process of retinal detachment is…
- Varicella immunization See Chickenpox immunization
- Iris, speckled Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These…
- Pathy A suffix derived from the Greek 'pathos' meaning 'suffering or disease' that serves as a suffix in many terms…
- PV Stands for polycythemia vera, a condition characterized by overproduction (proliferation) of red blood cells…
- B(a)P Benzo(a)pyrene
- DNA, coding A sequence of DNA that codes for protein. Coding DNA sequences are separated by long regions of DNA called…
- Body dysmorphic disorder Body dysmorphic disorder: A psychiatric disorder characterized by excessive preoccupation with imagined…