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).
Barium solution
A liquid containing barium sulfate. The barium is radioopaque -- it shows up on x-rays. The barium outlines organs of the body such as the intestines so they can be seen on x-ray film. One use of a barium solution, for example, is for a…
Read the definitionRandom terms
Show more- Berzelius See: Berzelius, Jons Jacob
- Premature birth A birth that takes place before 37 weeks of gestation have passed. Historically, the definition of…
- Vesicle, seminal See: Seminal vesicle
- Dysmorphology Dysmorphology is a term coined by Dr. David W. Smith in the 1960's to describe the study of human congenital…
- Emerging infectious disease An infectious disease that has newly appeared in a population or that has been known for some time but is…
- Chromatophobia An abnormal and persistent fear of money. Sufferers experience undue anxiety even though they realize their…
- Infertility, Y chromosome See: Y chromosome infertility
- Down syndrome Down syndrome: A common chromosome disorder due to an extra chromosome number 21 (trisomy 21). Down syndrome…
- Pregnancy, tubal An ectopic pregnancy that takes place in the Fallopian tube. Tubal pregnancies are due to the inability of…
- Syndrome, Bernard-Soulier Nt platelet syndrome): This is a primary problem of platelets in which the platelets lack the ability to…
- Contraction, premature See: Extrasystole
- Fear of heat Thermophobia. An abnormally excessive and persistent fear of heat, including hot weather and hot objects…