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).
Mutation, hereditary
Mutation, hereditary: A heritable change in the DNA of a gene or chromosome in a cell destined to become an egg or a sperm or the zygote (the conceptus) at the single-cell stage. When transmitted to a child, an hereditary mutation is…
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Show more- Dexfenfluramine A weight loss drug, in a class of drugs called anorectics which decrease appetite. This drug, sold in the US…
- Olecranon Of or pertaining to the bony tip of the elbow. The olecranon is, in fact, the near end of the ulna, the bone…
- Leiomyosarcoma A malignant tumor of smooth muscle origin. Smooth muscle is the major structural component of most hollow…
- Neck dissection A surgical procedure in which the neck is opened -- to 'dissect' means to 'cut apart' -- in order to…
- Homo sapiens The primate species of mammal to which modern humans belong. Homo sapiens is Latin for knowing man or wise man
- False vocal fold See: False vocal cord
- Ter in die (on prescription) Seen on a prescription, tid means three times a day. It is an abbreviation for 'ter in die' which in Latin…
- Glioblastoma multiforme A type of tumor that forms from glial (supportive) tissue in the brain. It is highly malignant, grows very…
- Dysentery Inflammation of the intestine, often with pain, diarrhea, bloody stools, etc. It is usually caused by…
- EDS (excessive daytime sleepiness) A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as…
- Syndrome, cauda equina See: Cauda equina syndrome
- Neck pain Neck pain: Neck pain is the sensation of discomfort in the neck area. Neck pain can result from disorders of…