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.
- 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).
Anesthesiology
The branch of medicine specializing in the use of drugs or other agents that cause insensibility to pain. Anesthesiology may also be defined as continuity of patient care involving preoperative evaluation, intraoperative and postoperative…
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Show more- Chromatin The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made…
- Pachy- (prefix) Thick. As in pachydactyly (thick fingers), pachydermatous (thick fingers) and pachyonychia (thick nails)…
- Gram stain The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining bacteria using a dye called…
- Placenta, supernumerary A succenturiate or accessory placenta
- Extubation The process of removing a tube from a hollow organ or passageway, often from the airway. The opposite of…
- Proxy, health care A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Transaminase, serum glutamic pyruvic (SGPT) An enzyme that is normally present in liver and heart cells, and is released into blood when the liver or…
- Hypotension, postural A drop in blood pressure (hypotension) due to a change in body position (posture) when a person moves to a…
- Holmes, Oliver Wendell, Sr. (1809-1894). Celebrated American physician and professor of medicine (anatomy and physiology) at Harvard, and…
- Ankle The ankle joint is complex. It is made up of two joints: the true ankle joint and the subtalar joint: > >The…
- Syndrome, hypoplastic left heart A form of congenital heart disease in which the whole left half of the heart (including the aorta , aortic…
- Lateral 1. In anatomy, the side of the body or a body part that is farther from the middle or center of the body…