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).
Drug, prescription
A drug requiring a prescription, as opposed to an over-the-counter drug, which can be purchased without one. The word 'prescription' comes from the Latin 'praescriptus' compounded from 'prae', before + scribere, to write = to write before…
Read the definitionRandom terms
Show more- Binocular 1. With both eyes, as in binocular vision.2. With two eyepieces, as in a binocular microscope
- Surgery, plastic The field of surgery concerned with reducing scarring or disfigurement that may occur as a result of…
- Janus kinase 3 See: JAK3
- Autolysis The enzymatic digestion of cells by enzymes present within them. The cells most susceptible to autolysis tend…
- Roth's spot A hemorrhage in the retina with a white center. Originally associated with bacterial endocarditis, Roth's…
- White phosphorus A waxy solid which burns easily and is used in chemical manufacturing and smoke munitions. It is also used by…
- Glaucoma, risk factors If you belong to a high-risk group for glaucoma, have your eyes examined through dilated pupils every 2 years…
- Papilla, anal See: Anal papilla
- Autologous blood donation Giving blood to yourself. For example, patients scheduled for non-emergency surgery may be eligible to donate…
- Epithelial carcinoma Cancer that begins in the cells that line an organ.
- Atenolol 4 cel ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Atenolol Main…
- Paraplegia Paralysis of the lower part of the body including the legs. As in flaccid or spastic paraplegia. The suffix…