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).
Vinyl chloride
A substance used in manufacturing plastics that is known to be toxic and carcinogenic (cancer-causing). Dangerous exposure to vinyl chloride occurs mainly in the workplace. Breathing high levels of vinyl chloride for short periods of time…
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Show more- Chiron In Greek mythology, the centaur who, wounded by Hercules, invented medicine in order to heal himself. Chiron…
- Bayesian Pertaining to Thomas Bayes (1702-1761) and to probability methods based on Bayes theorem. As in Bayesian…
- Pancreas A fish-shaped spongy grayish-pink organ about 6 inches (15 cm) long that stretches across the back of the…
- Retinoschisis, X-linked See: Juvenile retinoschisis
- Xylitol Xylitol: A sweetener found in plants that is used as a substitute for sugar. Xylitol is considered a…
- Failure, adrenal A condition in which the adrenal glands do not produce enough of the adrenal hormones that control important…
- Prehypertension A systolic pressure of 120 to 139 mm Hg or a diastolic pressure of between 80 and 89 mm Hg. Prehypertension…
- Colostomy, a patient's perspective For an excellent article about colostomy from a patient's viewpoint, please see Colostomy - A Patient's…
- CTL Cytotoxic T-lymphocyte
- Attention The ability to focus selectively on a selected stimulus, sustaining that focus and shifting it at will. The…
- Asthenia Weakness. Lack of energy and strength. Loss of strength. The word asthenia is not much used in medicine…
- Sleep, NREM Sleep, NREM: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…