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).
Excess iron
Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: > >People with certain genetic conditions such as hemochromatosis; and >People receiving repeated blood transfusions. According to…
Read the definitionRandom terms
Show more- Neurectomy The removal of part or all of a nerve
- Bariatrician A physician practicing bariatrics, the field of medicine concerned with weight loss. Also called a bariatric…
- Allergy immunotherapy Stimulation of the immune system with gradually increasing doses of the substances to which a person is…
- Computed tomography colography See: Virtual colonoscopy
- Macular retinopathy Any pathologic condition or disease of the macula, the small spot in the retina where vision is keenest. Also…
- Mixed-lineage leukemia A type of childhood leukemia in which a piece of chromosome 11 has been translocated (broken off and attached…
- Sperm function The capability of sperm to function -- to penetrate and fertilize the egg
- NIEHS Stands for National Institute of Environmental Health Sciences, one of the National Institutes of Health in…
- Pineal region tumor A brain tumor on or near the pineal gland. There are at least 17 types of pineal gland tumors, most of which…
- Mitral insufficiency Incomplete closure of the mitral valve resulting in the backflow of blood from the left ventricle to the left…
- Arthrocentesis Joint aspiration, a procedure whereby a sterile needle and syringe are used to drain fluid from a joint. This…
- Coitus interruptus A method of contraception, also called withdrawal, in which the man withdraws his penis from the vagina…