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).
ASCUS
An acronym for Atypical Squamous Cells of Undetermined Significance. This term is used in the Bethesda System for reporting Pap smear findings and indicates that some flat (squamous) cells look unusual and may or may not be pre-malignant…
Read the definitionRandom terms
Show more- In situ In the normal location. An 'in situ' tumor is one that is confined to its site of origin and has not invaded…
- Luschka, foramina of Two openings from the fourth ventricle, one in a system of four communicating cavities called ventricles…
- Eye, no Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophthalmia refers…
- Intrauterine contraceptive device (IUD) A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop…
- Defibrillation The use of a carefully controlled electric shock, administered either through a device on the exterior of the…
- Meibomian cyst A cyst of the little glands called Meibomian glands that are located in the eyelids and make a lubricant they…
- Care proxy, health A health care proxy is one form of advance medical directive. Advance medical directives pertain to treatment…
- Small inducible cytokine A2 See: MPC1
- Sulfonamides The sulfa-related group of antibiotics, which are used to treat bacterial infection and some fungal…
- Zellweger syndrome A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of…
- Show As a noun: 1. An appearance. 2. Short for bloody show
- Menopause, chemical Menopause, chemical: Menopause induced by chemotherapy or other chemicals or medications. Chemical menopause…