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, missense
Mutation, missense: A genetic change involving the substitution of one base in the DNA for another which results in the substitution of one amino acid in a polypeptide for another. A missense mutation is a 'readable' genetic message…
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Show more- Amsler grid While conducting an eye examination, the eye care professional may ask the patient to look at an Amsler grid…
- Metagene A pattern of gene expression. Not an actual gene. 'We identified aggregate patterns of gene expression…
- ADA (American Dental Association) The mission statement of the ADA reads as follows: 'The ADA is the professional association of dentists…
- Sequence, draft DNA Sequence of a DNA with less accuracy than a finished sequence. In a draft sequence, some segments are missing…
- Milwaukee brace One of the two main types of braces used to treat the lateral curve of the spine in scoliosis. This brace can…
- International normalized ratio An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- HRT (hormone replacement therapy) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Introitus In anatomy, an introitus is an entrance, one that goes into a canal or hollow organ. The introitus of the…
- Tetraethyl lead Tetraethyl lead.
- Renal syndrome with hemorrhagic fever A number of diseases characterized by an abrupt onset of high fever and chills, headache, cold and cough, and…
- Bather's eruption An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Q.3h. On a prescription, every three hours