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).
Control (research)
In research, control subjects or control procedures permit comparison with experimental results. The first controlled clinical research was probably done in 1875 by the British naval surgeon James Lind who, on board the HMS Salisbury, gave…
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Show more- H. flu genome The total genetic complement of the bacterium Haemophilus influenzae (H. flu). This bacterial genome was the…
- Angiostatin Angiostatin is a piece (a fragment) of a protein, plasminogen, used normally in blood clotting. This fragment…
- Nucleic acids See nucelic acid
- Nocturnal enuresis Bedwetting at night. From the Greek 'enourin' meaning 'to urinate in.'
- Regional lymphadenitis Cat scratch disease, a mild flu-like infection, with swollen lymph nodes (lymphadenitis) and mild fever of…
- Cancer, kidney Malignancy of the kidney, the organ that is primarily responsible for the removal of metabolic products from…
- Pleural space The tiny area between the two layers of the pleura (the thin covering that protects and cushions the lungs)…
- Cranial bone Part of the top portion of the skull which protects the brain. The bones of the cranium include the frontal…
- Stent, coated See: Coated stent
- Parasympathetic nervous system A part of nervous system that serves to slow the heart rate, increase the intestinal and gland activity, and…
- Fistula, anal See: Anal fistula
- Pinkeye Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…