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).
Hysteroscopy
A procedure to see inside the uterus (the womb) using a viewing tube that is inserted into the vagina up through the cervix into the uterus
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Show more- Line, central A catheter (tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Non-rapid eye movement sleep Sleep: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Inhaler, metered-dose Not something that is contained in a will, but rather a gene, chromosome or genome that is transmitted from…
- Supraventricular tachycardia Abbreviated SVT. A regular, abnormally fast heart beat (tachycardia) caused by rapid firing of electrical…
- Prepubertal Before puberty, the period during which secondary sex characteristics start to develop and the capability for…
- Vasa previa A condition in which blood vessels within the placenta or the umbilical cord are trapped between the fetus…
- DIDMOAD An acronym that stands for Diabetes Insipidus (inability to concentrate the urine), Diabetes Mellitus, Optic…
- Blue baby A baby who is cyanotic (blue), due usually to a heart malformation that prevents the baby's blood from being…
- Glutathione S-transferase omega-1 An enzyme that remarkably influences the age of onset of symptoms of two common degenerative brain disorders…
- Maneuver, Valsalva See: Valsalva maneuver
- PUBS (percutaneous umbilical blood sampling) In PUBS, a needle is inserted through the mother's abdominal wall and the uterine wall and usually blood is…
- Blackhead A familiar term for what is medically called an open comedo. A comedo, the primary sign of acne, consists of…