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).
Rett syndrome
An X-linked dominant neurological disorder that affects girls only and is one of the most common causes of mental retardation in females. Girls with the syndrome show normal development during the first 6-18 months of life followed first…
Read the definitionRandom terms
Show more- Excision 1. Surgical removal, as in the excision of a tumor. 2. The removal as if by surgery, as in base excision…
- Prostatectomy, radical See: Radical prostatectomy
- Syndrome, Prader-Willi See: Prader-Willi syndrome
- Cystectomy Surgery to remove the bladder. Cystic fibrosis: A common genetic disease inherited as a recessive condition…
- Cardiac arrest A medical emergency with absent or inadequate contraction of the left ventricle of the heart that immediately…
- Colostomy, a patient's perspective For an excellent article about colostomy from a patient's viewpoint, please see Colostomy - A Patient's…
- Underload syndrome Literally being 'bored sick.' Lack of stimulation in life (such as with an extremely dull job) can result in…
- Ankyrin deficiency Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red blood cell membrane…
- Ischium Bone making up the lower down back part of the pelvis
- Retinal pigment epithelium The pigment cell layer that nourishes the retinal cells. The retinal pigment epithelium is located just…
- Recommended Dietary Allowance The RDA, the estimated amount of a nutrient (or calories) per day considered necessary for the maintenance of…
- TAR syndrome TAR stands for Thrombocytopenia (low blood platelets) and Aplasia (absence) of the Radius (the long bone on…