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).
Distichiasis
Double rows of eyelashes. The extra eyelashes grow from glands called the Meibomian glands and may protrude into the cornea, producing severe corneal abrasions
Read the definitionRandom terms
Show more- Antagonist In biochemistry, an antagonist acts against and blocks an action. For example, insulin lowers the level of…
- ZIFT Stands for zygote intrafallopian transfer, a method used to treat infertility in which an egg fertilized in…
- Category 4 storm See: Category four hurricane
- ICSI Jaundice. At least one medical dictionary defines icterus as the presence of jaundice seen in the sclera of…
- Ophthalmoplegia with ragged-red fibers See: Kearns-Sayre syndrome
- Syphilis test, VDRL A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody…
- Stool occult blood test A test to see whether there is blood in the bowel movement. Also called a fecal occult blood test: A test to…
- Nasal septum The dividing wall within the nose. The nasal septum runs down the middle of the nose creating two sides to…
- Patent ductus Failure of the ductus arteriosus, which functions in fetal life as an arterial shunt, to close on schedule at…
- Urinary tract infection in children Infection of the kidney, ureter, bladder, or urethra in a child. About 3% of girls and 1% of boys have had a…
- Stenosis, carotid-artery See: Carotid stenosis
- Cutis The skin. Cutis marmorata is marble skin, a normal response to cold. The word cutis is Latin for skin. See…