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.
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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).
Blighted ovum
A fertilized ovum (egg) that did not develop or whose development ceased at an early stage, before 6 or 7 weeks of gestation. On the ultrasound examination of a blighted ovum, only the gestational sac that normally surrounds the embryo can…
Read the definitionRandom terms
Show more- Hereditary amyotrophic lateral sclerosis See: Familial ALS
- Germ 1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism…
- Cholecalciferol Vitamin D3
- Dystocia, cervical See: Cervical dystocia
- Recurrent aural vertigo A condition, also known as Meniere's disease, with recurrent vertigo accompanied by ringing in the ears…
- Corneal abrasion A scratch or scrape on the cornea, the clear front window of the eye that transmits and focuses light into…
- Bridge A set of one or more false teeth supported by a metal framework, used to replace one or more missing teeth…
- Triglyceride test Triglyceride test: A simple blood test to measure the level of triglycerides in the blood. Triglyceride…
- Hydroxyurea In Greek mythology, a goddess considered to be the guardian or personification of health. Hygieia was the…
- Pap test, ThinPrep A modified Pap test technique designed to reduce some of the technical problems inherent in the traditional…
- Hemodialysis Hemodialysis: A medical procedure that uses a special machine (a dialysis machine) to filter waste products…
- Ileoscopy Use of a flexible instrument (a 'scope') to examine the ileum which is the lowest part of the small…