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).
Disease, hydroxyapatite crystal
The inflammation caused by hydroxyapatite crystals has been referred to as hydroxyapatite crystal disease. Hydroxyapatite is a major component and an essential ingredient of normal bone and teeth, makes up bone mineral and the matrix of…
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Show more- Articulation 1. In speech, the production and use of speech sounds.2. In dentistry, the contact of the occlusal surfaces…
- Abrasion An abrasion or 'excoriation' is a wearing away of the upper layer of skin as a result of applied friction…
- Ovarian cyst A fluid-filled sac in the ovary. The most common type of ovarian cyst is called a follicular cyst. It results…
- Youth The time between childhood and maturity. (Unfortunately, as the songwriter Sammy Cahn noted, 'youth is wasted…
- Flesh-eating bacteria A popular media term for a type of strep bacteria (group A streptococcus) which rapidly destroys tissue and…
- Rapid eye movement sleep Sleep: Rapid eye movement sleep (REM) sleep is the portion of sleep when there are rapid eye movements…
- Appendiceal Relating to the appendix. As, for example, an appendiceal abscess. Perforation of the appendix can lead to a…
- Pregnancy ultrasound Creating an image of the developing fetus within the uterus by means of measuring the vibrations returned…
- Syndrome, Tourette Syndrome, Tourette: A tic disorder characterized by the presence of chronic vocal and motor tics, probably…
- Penicillin-resistant bacteria Bacteria that are unaffected by penicillin. Such organisms can sometimes be killed using sulfa drugs…
- Retinoid Retinol is vitamin A. Carotene compounds (found, for example, in egg yolk, butter and cream) are gradually…
- Renal tubules Small structures in the kidney that filter the blood and produce the urine