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).
Rooting reflex
A reflex seen in newborn babies, who automatically turn their face toward the stimulus and make sucking (rooting) motions with the mouth when the cheek or lip is touched. The rooting reflex helps to ensure breastfeeding
Read the definitionRandom terms
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- Complement system A series of molecules that work together to perform many immune system functions. For example, the complement…
- Char syndrome A genetic disorder characterized by patent ductus arteriosis and unusual facial features including a long…
- Conjoined twin Identical (monozygotic) twins that did not separate fully from one another but are still partially united…
- Bag, air A bag that fills with air, designed for frontal impact crashes, the kind of crashes which account for more…
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Depression, major Depression, major: A disease that interferes with the ability to work, sleep, eat, and enjoy once pleasurable…
- Antenatal surgery The surgical treatment of the fetus before birth. Also called prenatal surgery or, most often, fetal surgery…
- Pharmacogenetics The merger of pharmacology and genetics into a field that pertains to the hereditary responses to drugs. For…
- Obstruction Blockage of a passageway. See, for example: Airway obstruction; Intestinal obstruction
- Syphilis test, VDRL A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody…
- Ubidecarenone See: Coenzyme Q10