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).
Mastectomy, prophylactic
Removal of one or both breasts without the current presence of cancer. This surgery is sometimes chosen as a preventative measure by women who have a strong history of familial breast cancer. Also called a preventative mastectomy
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Show more- Nurse 1) A person trained, licensed, or skilled in nursing. 2) To feed an infant at the breast
- Metaphyseal chondrodysplasia (McKusick type) See: Cartilage hair hypoplasia syndrome
- Lymphatic filariasis A parasitic disease caused by the African eye worm, a microscopic thread-like worm. The adult worms can only…
- Flu Short for influenza. The flu is caused by viruses that infect the respiratory tract which are divided into…
- Arachnophobia An abnormal and persistent fear of spiders. Sufferers from arachnophobia experience undue anxiety even though…
- Thermometer A device used to measure the temperature of gaseous, liquid or solid matter or of a chemical reaction such as…
- Fixation, external A procedure that stabilizes and joins the ends of fractured (broken) bones by a splint or cast. External…
- Ectodermosis erosiva pluriorificialis See: Stevens-Johnson syndrome.
- Thallium Thallium: A metallic element having the symbol Tl and the atomic number 81 and an atomic weight of about 204…
- Oscitation The act of yawning, the involuntary opening of the mouth with respiration, breathing first inward, then…
- Paragonimus infection See: Paragonimiasis
- Gland, thyroid See: Thyroid gland