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).
Blood urea nitrogen
Medically called hematuria, blood in the urine can be microscopic or gross. Evaluating hematuria requires consideration of the entire urinary tract. Tests used for the diagnosis of hematuria include the intravenous pyelogram (IVP)…
Read the definitionRandom terms
Show more- Pernicious vomiting of pregnancy Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…
- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Dyslexia Dyslexia: A specific reading disability due to a defect in the brain's processing of graphic symbols…
- PTHC (percutaneous transhepatic cholangiography) See: Cholangiography, percutaneous transhepatic
- Rate, birth The birth rate is usually given as the number of live births divided by the average population (or the…
- Genitalia The male and female reproductive organs. The genitalia include internal structures such as the ovary, and…
- Hypermnesia Abnormally strong memory of the past. As compared to hypomnesia and amnesia. From hyper- + the Greek mneme…
- Genome, mustard Arabidopsis thaliana See: Arabidopsis thaliana genome
- Research, clinical A study of a treatment, procedure, or medication done in a medical setting. See also clinical research trials.
- Arsine A colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and…
- Endometrial biopsy Endometrial biopsy: A procedure for sampling the lining of the uterus (the endometrium). Endometrial biopsy…
- Smad3 A protein in a pathway that helps prevent tumors. Smad3 is a player in a cellular network relay system called…