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).
Chasing the dragon
A practice of heroin use involving heating heroin and then inhaling it. Some heroin users have gone to this practice because they believe erroneously that it will protect them against contracting HIV and other diseases associated with…
Read the definitionRandom terms
Show more- Retinal electrophysiologic testing See: Electrophysiologic retinal testing
- Papillomatosis, juvenile laryngeal Juvenile laryngeal papillomatosis involves the growth of numerous warty growths on the vocal cords in…
- Gallop rhythm Heart rhythm like the gallop of a horse.
- Caduceus 1. A rod with two snakes entwined about it topped by a pair of wings.2. An insignia of a caduceus meant…
- Adverse drug reaction See: Adverse reaction
- Ribozyme An RNA molecule that can catalyze its own chemical reactions
- Macroglossia Enlarged tongue. Macroglossia is sometimes said to be associated with Down syndrome, but in that disorder the…
- Eschar The scab formed when a wound or skin is sealed by the heat of cautery or burning. Also the dark crusted ulcer…
- Belt, seat A belt used to hold an individual in their seat. Motor vehicle accidents are the leading cause of death for…
- Incontinence, fecal Inability to hold feces in the rectum. This is due to failure of voluntary control over the anal sphincters…
- Psychology The study of the mind and mental processes, especially in relation to behavior. There are a number of fields…
- KB 1. The skin disease Keratodermia blennorrhagicum. 2. Kilobase of DNA. The preferred abbreviation for kilobase…