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).
Automatic behavior
A behavior that is performed without conscious knowledge and that does not appear to be under conscious control. This curious type of behavior occurs in a number of neurological and psychiatric disorders. The neurologic disorders…
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Show more- Parrot fever (psittacosis) An infectious disease due to a bacteria (Chlamydia psittaci) contracted from psittacine birds, especially…
- Xeno- (prefix) Foreign or other. As in: > >Xenoantigen -- An antigen that is found in more than one species. >Xenograft -- A…
- Defibrillation The use of a carefully controlled electric shock, administered either through a device on the exterior of the…
- Perinatology A subspecialty of obstetrics concerned with the care of the mother and fetus at higher-than-normal risk for…
- Basal cells Small, round cells found in the lower part, or base, of the epidermis, the outer layer of the skin
- Disease, phytanic acid storage See Refsum disease
- Flavin-containing monooxygenase-3 (FMO3) See Fish-odor syndrome
- Neonatal intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a newborn…
- Acuity test, visual This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart…
- Bulbar Pertaining to a bulb, in medicine any rounded mass of tissue (that is shaped somewhat like a crocus or tulip…
- Neonatal Pertaining to the newborn period which, by convention, is the first four weeks after birth.
- Genome, chicken See: Chicken genome