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).
Intrauterine contraceptive device (IUD)
A device inserted into the uterus (womb) to prevent conception (pregnancy). The IUD can be a coil, loop, triangle, or T-shape. It can be plastic or metal. An IUD is inserted into the uterus by a health-care professional. Of two types of…
Read the definitionRandom terms
Show more- Biopsy, liver See: Liver biopsy
- Heterozygous Possessing two different forms of a particular gene, one inherited from each parent. A person who is…
- Phosphorylation Phosphorylation is a biochemical process that involves the addition of phosphate to an organic compound…
- Disc, cervical A disk shaped piece of specialized tissue that separates the vertebral bones of the spinal column in the…
- Toxin One of a number of poisons produced by certain plants, animals, and bacteria. The term 'toxin' is frequently…
- ACS (American Cancer Society) A 'nationwide community-based voluntary health organization dedicated to eliminating cancer as a major health…
- Dermatology 1. The branch of medicine concerned with the diagnosis, treatment, and prevention of diseases of the skin…
- Senile keratosis Synonymous with actinic keratosis. See: Keratosis, actinic
- Oogenesis The process of egg formation. The second 'o' in oogenesis is pronounced separately from the first…
- Meter, pH See: pH meter
- Fever, shin bone Fever, shin bone: Called shin bone fever because it characteristically causes fever and pain in the legs…
- Lymphangioleiomyomatosis A structure consisting of a collection of blood vessels and lymph vessels that are overgrown and clumped…