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).
Corneal dystrophy, epithelial basement
A disorder in which the cornea (the normally clear front window of the eye) shows grayish fingerprint lines, geographic map-like lines, and dots (or microcysts) on examination with a slit-lamp that focuses a high intensity light beam as a…
Read the definitionRandom terms
Show more- STARI See: Hypnic jerk.
- Heparin-induced thrombocytopenia Low blood platelet count as a result of the medication heparin. Heparin is used to treat and prevent abnormal…
- Smooth muscle One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the…
- Nucleocaspid The genome plus the protein coat of a viral. The genome is nucleic acid. The protein coat is the capsid. The…
- Ectopia cordis A type of birth defect in the heart is abnormally located. In ectopia cordis, the heart usually protrudes…
- ADHD Attention deficit hyperactivity disorder
- Last menstrual period By convention, pregnancies are dated in weeks starting from the first day of a woman's last menstrual period…
- Anergy A state of immune unresponsiveness. Induced when the T cell's antigen receptor is stimulated, effectively…
- Internal radiation therapy Radiation therapy in which radioactive material is placed in or near a tumor
- Fecal Relating to the feces, the stool. The excrement discharged from the intestines. From the Latin 'faex' and…
- Ptosis Downward displacement. Ptosis of the eyelids is drooping of the eyelids.
- Surgeon General In the United States, the chief medical officer of the U.S. Public Health Service (USPS), the agency…