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).
Loin
The portion of the lower back from just below the rib cage to the pelvis. The loins include the psoas muscles which are very powerful muscles in the lower back. The term 'loin' is more often encountered now at the meat counter than in…
Read the definitionRandom terms
Show more- Artery, vertebral A key artery located in the back of the neck that carries blood from the heart to the brain
- Thomas Sydenham See: Sydenham, Thomas
- Hybridization, fluorescent in situ An important molecular cytogenetic method for identifying chromosomes and parts of chromosomes, deciphering…
- Dissect To cut apart or separate tissue as, for example, for anatomical study or in surgery. Also, an artery is said…
- H Symbol for hydrogen
- Murmur A sound due to vibrations from the flow of blood through the heart or great vessels. A murmur may be innocent…
- Tobacco smoke, environmental Abbreviated ETS. See: ETS.
- Nerve, recurrent laryngeal One of the best known branches of the vagus nerve, a very long nerve that originates in the brainstem. After…
- Postpartum psychosis A very serious mental illness that can affect a new mother. The episode of psychosis usually begins within 1…
- Termination codon See: Stop codon
- Pregnancy-associated plasma protein A Abbreviated as PAPPA or PAPP-A. A large zinc-binding protein that acts as an enzyme, specifically a…
- Center for Devices & Radiological Health Abbreviated CDRH. Part of the FDA (the US Food & Drug Administration)