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).
Nuchal translucency test
A measurement of the size of the translucent space behind the neck of the fetus using ultrasound at between 10 and 14 weeks of pregnancy, reflecting the amount of fluid that has accumulated under the skin of the fetus. Nuchal translucency…
Read the definitionRandom terms
Show more- Contraction, uterine The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Cord, spinal See: Spinal cord
- Vitamin B15 An old name for dimethylglycine (DMG, pangamic acid), which is no longer considered to be a vitamin by the…
- Hospitalist A hospital-based general physician. Hospitalists assume the care of hospitalized patients in the place of…
- Lassitude Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude…
- Cylindromatosis, familial See: Familial cylindromatosis
- SEER program The Surveillance, Epidemiology, and End Results (SEER) program of the National Cancer Institute (NCI), an…
- Progeria A rare genetic disorder that causes children to age prematurely. The classic type of childhood progeria is…
- Gay A person who is homosexual, especially a male homosexual. The word 'gay' in this regard may denote the…
- Lithotripsy A procedure to break a stone into small particles that can be passed in the urine.
- Sideropenic dysphagia See: Plummer-Vinson syndrome
- Pregnancy, pernicious vomiting of Medically known as hyperemesis gravidarum, this is excessive vomiting in early pregnancy. By definition…