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).
Tic
A repetitive movement that is difficult, if not impossible, to control. Tics can affect any group of muscles. The most common are facial tics, such as eye- blinking, nose-twitching, or grimacing. Tics that affect the muscles used to…
Read the definitionRandom terms
Show more- CPEO with myopathy See: Kearns-Sayre syndrome
- Syndrome, Conn Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue…
- Macule A small localized change in the color of skin that is neither raised (elevated) nor depressed. Macules are…
- Scabies, crusted A severe form of scabies caused by delayed treatment of the initial infestation, characterized by mite-filled…
- Glial fibrillary acidic protein See: GFAP.
- Arrhythmias, ventricular Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the…
- Condyloma latum A manifestation of the secondary stage of syphilis that takes the form of broad flat wartlike growths in…
- Endoplasmic reticulum A structure within cells that is an extension of the nuclear membrane and in which proteins slated to become…
- Smith-Magenis syndrome A syndrome of abnormal physical, developmental and behavioral features due to microdeletion of chromosome 17…
- Kinship Relationship by marriage or, specifically, a blood tie.
- Fecalith A hard stony mass of feces. A fecalith can obstruct the appendix, leading to appendicitis. Fecaliths also can…
- ORF Open reading frame