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).
Marker gene
A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a flag for another gene, sometimes called the target gene. A marker gene must be on the same chromosome as the target gene and near…
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Show more- Gay suicide risk Suicide risk: High rates of suicide have consistently been reported among homosexuals, particularly among…
- Pancreatic Having to do with the pancreas, a spongy, tube-shaped organ about 6 inches long. It is located in the back of…
- Bad air Any air considered noxious. Today, air filled with tobacco smoke might be considered 'bad air.' So might air…
- Transfer RNA (tRNA) A class of RNA that has triplet nucleotide sequence complementary to the triplet nucleotide coding sequences…
- Speculum, nasal An instrument used to widen the opening of a nostril so the inside can be more easily seen. 'Speculum' is the…
- Malaria, pregnancy-associated Someone who is versed in or engaged in the study of malaria. "Independent malariologists believe it kills two…
- Hemorrhoidectomy Surgical removal of hemorrhoids (enlarged and dilated veins in and around the rectum and anus)…
- Sphingomyelin lipoidosis Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Meibomianitis Inflammation of the little glands called Meibomian glands located in the eyelids that make a lubricant which…
- JP drain The original suction drain. The drain itself is inside the body. It is made of Teflon and has multiple…
- Youth violence Violence involving young persons, typically children, adolescents, and young adults between the ages of 10…
- Cysticerci The plural of cysticercis. See: Cysticercus