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).
Diachronic study
A study done over the course of time. For example, a longitudinal study of children with Down syndrome (trisomy 21) might involve the study of 100 children with this condition from birth to 10 years of age. Also called a longitudinal…
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- Total hip replacement Total hip replacement: Surgery in which the diseased ball and socket of the hip joint are completely removed…
- Ligament, posterior cruciate The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Hepato- Prefix or combining form used before a consonant to refer to the liver. From the Greek hepar, liver
- Biopsy The removal of a sample of tissue for purposes of diagnosis. (Many definitions of 'biopsy' stipulate that the…
- Myocyte A muscle cell. From myo-, muscle + -cyte, cell = muscle cell. 'Remaining young at heart is a desirable but…
- Antiviral An agent that kills a virus or that suppresses its ability to replicate and, hence, inhibits its capability…
- Epithelium The outside layer of cells that covers all the free, open surfaces of the body including the skin, and mucous…
- Extremity The extremities in medical language are not freezing cold or scorching heat but rather the uttermost parts of…
- Peritonsillar abscess A collection of pus behind the tonsils that pushes one of the tonsils toward the uvula (the prominent soft…
- DNA splicing, alternative See Alternative splicing
- Locus minoris resistentiae Latin meaning a place of less resistance. A locus minoris resistentiae offers little resistance to…