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).
Placenta accreta
The abnormal adherence of the chorionic villi (vascular fingers of the chorion, a part of the placenta) to the myometrium (the muscle of the uterus), . Normally there is tissue intervening between the chorionic villi and the myometrium but…
Read the definitionRandom terms
Show more- Typhus, scrub A mite-borne infectious disease caused by a microorganism, Rickettsia tsutsugamushi, characteristically with…
- Zidovudine triphosphate The active form of zidovudine which is also known as AZT. See: AZT
- Seizure, Jacksonian See: Jacksonian seizure
- Congenital stationary night blindness An inherited eye disorder that is not progressive ('stationary') and principally affects the rod…
- Triiodothyronine A hormone made by the thyroid gland. It has three iodine molecules attached to its molecular structure. It is…
- Eisoptrophobia An abnormal and persistent fear of mirrors. Sufferers experience undue anxiety even though they realize their…
- ACL injury See: Anterior cruciate injury
- Resection Surgical removal of part of an organ
- Category five hurricane A hurricane with winds greater than 155 mph (135 kt or 249 km/hr). Storm surge generally greater than 18 ft…
- Carrier test A test designed to detect carriers of a gene for recessive genetic disorder. For example, carrier testing is…
- Uterine contraction The tightening and shortening of the uterine muscles. During labor, contractions accomplish two things: (1)…
- Cerebral herniation The abnormal protrusion of brain tissue through an opening when there is increased intracranial pressure…