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).
Prepuce
The fold of skin that covers the head of the penis. Also known as the foreskin. Only about 1 in every 20 boys is born with a retractable foreskin. This reflects the fact that the histologic (tissue) development of the foreskin is usually…
Read the definitionRandom terms
Show more- Thrombectomy Procedure to remove a clot (a thrombus)
- Calcinosis An abnormal deposit of calcium salts in body tissues, as is seen in some forms of disease
- Intersex A group of conditions sometimes referred to as disorders of sexual development (DSDs) in which there is a…
- Retardation, reading Reading retardation means impaired ability to read. Reading retardation is an impairment that may, for…
- Hookworm An intestinal parasite that usually causes diarrhea or cramps. Heavy infestation with hookworm can be serious…
- Spermicide, vaginal A vaginal spermicide is a substance that will kill sperm in the vagina. Vaginal spermicides are available in…
- Stool The solid matter discharged in a bowel movement
- Holmes, Oliver Wendell, Sr. (1809-1894). Celebrated American physician and professor of medicine (anatomy and physiology) at Harvard, and…
- Hirschsprung disease Hirschsprung disease: A congenital abnormality (birth defect) of the bowel in which there is absence of the…
- Galenic arteriovenous malformation See: Vein of Galen aneurysm
- Glioma A brain tumor that begin in a glial, or supportive, cell, in the brain or spinal cord. Malignant gliomas are…
- Polychlorinated biphenyls See: PCBs