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).
Stop codon
A set of three adjacent bases in the DNA or their complementary bases in messenger RNA that specifies the end of a polypeptide chain. The three stop codons (in messenger RNA) are UAA, UAG, and UGA. They are also called termination codons…
Read the definitionRandom terms
Show more- Hybridization, nucleic acid A laboratory technique in which single-stranded nucleic acids (DNA or RNA) are allowed to interact so that…
- Steal, subclavian See: Subclavian steal
- Congenital synostosis of cervicothoracic vertebrae See: Klippel-Feil sequence
- Womb cancer See: Uterine cancer
- Raw egg Uncooked, unpasteurized egg. Salmonella enteritidis, a harmful bacterium, can be transmitted from infected…
- Osteogenesis imperfecta with blue sclerae See: Osteogenesis imperfecta type I.
- Vesiculitis Inflammation of a vesicle, and particularly of the seminal vesicles behind the male bladder
- Mumps immunization The standard MMR vaccine is given to prevent measles, mumps and rubella (German measles). The MMR vaccine is…
- Porcine Having to do with swine. From the Latin 'porcus' meaning 'pig.' Porcine insulin is obtained from pig…
- Ileus, paralytic Paralysis of the intestine. To be termed 'paralytic ileus,' the intestinal paralysis need not be complete…
- Right heart The heart is composed functionally of two hearts - the right heart and the left heart. The right heart…
- Allogeneic Taken from different individuals of the same species. Two or more individuals are said to be allogeneic to…