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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Proctosigmoidoscopy
See: Sigmoidoscopy
Read the definitionRandom terms
Show more- Eisoptrophobia An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- Dejerine-Klumpke paralysis See: Klumpke palsy
- Prostatectomy The surgical removal of the prostate gland. NTER>
- Vaginal introitus The vaginal opening is called the introitus of the vagina. The Latin word 'introitus' comes from 'intro'…
- Cold, June A popular term for hay fever. Although the symptoms of a 'June cold' may be quite similar to those of a real…
- Deficiency, magnesium Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium…
- Syndrome, Klippel-Trenaunay-Weber (KTW) A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata…
- Endostatin Endostatin is a piece (a fragment) of a protein, collagen 18, found in all blood vessels. This fragment is…
- Nerve palsy, laryngeal Paralysis of the recurrent laryngeal nerve, a branch of the vagus nerve (a long and important nerve that…
- Angiotensin A family of peptides (smaller than proteins) that act as vasoconstrictors to narrow blood vessels
- X-ray crystallography The use of X-rays of known wavelength to learn the structure of any crystalline material. Put otherwise…
- Epsom salt Magnesium sulfate. Known as Epsom salt because it was originally extracted from the mineral-rich water of…