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).
Hematology
The diagnosis, treatment, and prevention of diseases of the blood and bone marrow as well as of the immunologic, hemostatic (blood clotting) and vascular systems. Because of the nature of blood, the science of hematology profoundly affects…
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Show more- Macewen operation A surgical operation for inguinal hernia designed by Sir William Macewen (1848-1924), a surgeon in Glascow…
- Snoring Snoring: A rough rattling noise made on inspiration during sleep by vibration of the soft palate (the back of…
- Eidetic 1. Marked by extraordinarily accurate and vivid recall, especially of images. 2. By extension, an individual…
- Post-menopausal See: Postmenopausal
- Depo-Provera contraceptive Injectable progestin (Depo-Provera) was approved by the U.S. Food and Drug Administration (FDA) for…
- Contraction, premature See: Extrasystole
- G6PD deficiency G6PD deficiency: Deficiency of the enzyme glucose-6-phosphate dehydrogenase (G6PD), the most common enzyme…
- In situ In the normal location. An 'in situ' tumor is one that is confined to its site of origin and has not invaded…
- Toco- Prefix meaning childbirth. For example, tocolysis is the slowing or halting of labor. Sometimes spelled tok-…
- Germ 1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism…
- Varicosity 1. An enlarged and tortuous vein, artery, or lymphatic vessel. 2. Specifically, a varicose vein
- Ambient Surrounding, present on all sides; encompassing. As, the ambient noise is deafening, or the ambient light is…