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).
Sundowning
Also known as Sundown Syndrome, a term used to refer to behavioral changes that often occur in the late afternoon or evening in people with Alzheimer's disease and similar conditions. The behavioral changes make take the form of…
Read the definitionRandom terms
Show more- GOO Gastric outlet obstruction
- Non-inferior clinical trial A clinical trial that shows that a new treatment is equivalent to standard treatment. Also called a…
- Urography A method for examining the structure and functionality of urinary system. A special dye is injected, and…
- Beat, premature See: Extrasystole
- Count, absolute CD4 See: Absolute CD4 count
- Clinical depression Depression that meets the DSM-IV criteria for a depressive disorder. The term is usually used to denote…
- IUGR 1. Originally, intrauterine growth retardation.2. More recently, intrauterine growth restriction.
- Ovarian teratoma Also called a dermoid cyst of the ovary, this is a bizarre tumor, usually benign, in the ovary that typically…
- Mammogram Mammogram: An X-ray of the breast with the breast in a device that compresses and flattens it. There are two…
- Rubella (historical note) In 1941 N. M. Gregg, an Australian ophthalmologist, recognized that infection of the mother with rubella…
- Surgical menopause Menopause: Menopause induced by surgery. Surgical menopause is a type of induced menopause: menopause due to…
- Cavy See: Guinea pig