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).
Poisoning, lead
An environmental hazard capable of causing brain damage. In the US lead poisoning is formally defined as having at least 10 micrograms of lead per deciliter of blood. (The average level of lead, for people ages 1 to 70, is 2.3 micrograms.)…
Read the definitionRandom terms
Show more- Blood pressure, low Any blood pressure that is below the normal expected for an individual in a given environment. Low blood…
- Musicotherapy See: Music therapy
- Endorphin One of the body's own painkillers, an opioid (morphine-like) chemical produced by the body that serves to…
- Biopsy, liver See: Liver biopsy
- Glycosylated hemoglobin Hemoglobin to which glucose is bound. Glycosylated hemoglobin is tested to monitor the long-term control of…
- Stone, tonsil A tiny stone (calculus) in the tonsils. These stones, called tonsilloliths, are found within little pockets…
- Faciogenital dysplasia See: Aarskog-Scott syndrome
- Disorder, central auditory processing A condition in which there is an inability to differentiate, recognize or understand sounds while both the…
- Dementia, MELAS Dementia, MELAS: MELAS is the acronym for Mitochondrial Encephalopathy, Lactic Acidosis, and Strokelike…
- Fever, quintan Fever, quintan: Quintan means recurring every 5 days, the characteristic duration of trench fever. Quintan or…
- Dermatophytic onychomycosis Ringworm of the nail, the most common fungus infection of the nails (onychomycosis). Onychomycosis makes the…
- Amusia The inability to recognize musical tones or to reproduce them. Amusia can be congenital (present at birth) or…