MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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…
Read the definitionRandom terms
Show more- Periostitis Inflammation of the periosteum, a dense membrane composed of fibrous connective tissue that closely wraps…
- Varicella immunization See Chickenpox immunization
- Cell, cone A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provide sharp…
- B virus An infectious agent commonly found among macaque monkeys, including rhesus macaques, pig-tailed macaques, and…
- Antigen A substance that is capable of causing the production of an antibody. Antigens may or may not lead to an…
- Serrated Finely notched like the cutting edge of a saw. The serratus muscles take their name from their serrated…
- Vitamin P An old name for substances now known as bioflavinoids. They are no longer considered to be vitamins by the…
- Nerve compression 'Pinching' a nerve by putting too much pressure on it. For example, the sciatic nerve may be painfully…
- Orthoscopic Having correct vision or producing it. Orthoscopic, in other words, is free from optical distortion or…
- Silver bullet Or magic bullet. 1. The perfect drug to cure a disease with no danger of side effects. The term magic bullet…
- Congenital vaccinia Infection of the fetus in the last trimester of pregnancy due to bloodborne dissemination of the vaccinia…
- Enuresis Involuntary urination, which may be caused by a variety of factors. These include disorders of the kidneys…