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).
Macrolide
One in a class of antibiotics that includes Biaxin, Clarithromycin, Ery-Tab, and Erythromycin. The macrolides inhibit the growth of bacteria and are often prescribed to treat rather common bacterial infections. In more technical terms, the…
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Show more- Frotteurism Frotteurism is a problem where the focus of the person's sexual urges is related to touching or rubbing his…
- Calcitriol The active form of vitamin D. Calcitriol is formed in the kidneys or made in the laboratory. It is used as a…
- Receptor, visual The layer of rods and cones, the visual cells, of the retina
- Sphingomyelinase deficiency Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Reflux The term used when liquid backs up into the esophagus from the stomach
- Xenobiotic Natural substances that are foreign to the body
- Trans fat An unhealthy substance, also known as trans fatty acid, made through the chemical process of hydrogenation of…
- Familial dysautonomia A genetic disorder of the autonomic nervous system, affecting especially Ashkenazi Jewish children. Familial…
- Infection, hospital-acquired An infection caught while hospitalized. The medical term for a hospital-acquired infection is 'nosocomial.'…
- Seizure, centrencephalic See: Grand mal
- Axis The axis is the second cervical vertebra (symbol: C2). It is called the 'axis' because the uppermost cervical…
- Olivopontocerebellar Pertaining to three particular parts of the brain -- namely, the oliva, the pons, and the cortex of the…