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).
Polycystic kidney disease
Polycystic kidney disease: One of the genetic disorders characterized by the development of innumerable cysts in the kidneys. These cysts are filled with fluid, and replace much of the mass of the kidneys. This reduces kidney function…
Read the definitionRandom terms
Show more- Overload, iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Fibroid A benign tumor of the uterus and the single most common indication for hysterectomy. Fibroids can be present…
- Silicatosis See: Silicosis
- Cesarian section, lower segment (LSCS) A Cesarian section in which the surgical incision (cut) is made in the lower segment of the uterus
- Percentile The percentage of individuals in a group who have achieved a certain quantity (such as height, weight, and…
- Bone cyst, simple A solitary fluid-filled cyst (cavity) in a bone, usually in the shaft of a long bone, especially the humerus…
- Kala-azar A chronic and potentially fatal parasitic disease of the viscera (the internal organs, particularly the…
- Gamma linolenic acid See: Gamma-linolenic acid
- In-the-ear hearing aid A hearing instrument in a custom-made shell designed to fit in the outer ear and ear canal. An in-the-ear…
- Expiration date The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful…
- CD40 A receptor molecule on the cell surface of all mature B cells (B lymphocytes), most B-cell malignancies, and…
- Olfactory Pertaining to olfaction, the sense of smell