antigen
An antigen is any substance, such as a toxin, virus, or bacterium, that causes the body's immune system to produce antibodies against it. It is essentially a chemical marker that the body recognizes as foreign or harmful.
예시
3 / 5The doctor explained that the antigen in the vaccine would help my body prepare for future infections.
The physician clarified that the substance in the shot triggers the body to prepare for later illnesses.
The presence of a specific viral antigen indicates an active infection within the patient.
Finding a particular viral marker shows the patient currently has the disease.
Think of an antigen as a 'wanted poster' that tells your immune system who the bad guys are.
Consider this substance a signal that identifies threats to your body's defenses.
어휘 가족
암기 팁
Think of 'Anti-gen' as an 'Antibody Generator'. It is the substance that generates the need for antibodies.
빠른 퀴즈
The patient tested positive for the viral _______, meaning they are likely currently infected.
정답!
정답은: antigen
예시
The doctor explained that the antigen in the vaccine would help my body prepare for future infections.
everydayThe physician clarified that the substance in the shot triggers the body to prepare for later illnesses.
The presence of a specific viral antigen indicates an active infection within the patient.
formalFinding a particular viral marker shows the patient currently has the disease.
Think of an antigen as a 'wanted poster' that tells your immune system who the bad guys are.
informalConsider this substance a signal that identifies threats to your body's defenses.
The study focused on the structural characteristics of the surface antigen of the influenza virus.
academicThe research analyzed the physical traits of the outer markers on the flu virus.
The pharmaceutical company is investing heavily in the development of new antigen-based diagnostic kits.
businessThe drug firm is funding the creation of testing tools that detect specific biological markers.
어휘 가족
자주 쓰는 조합
자주 쓰는 구문
antigen-presenting cell
a cell that displays foreign markers to help the immune system recognize them
rapid antigen test
a quick medical test used to detect the presence of specific proteins
antigen-antibody complex
the molecule formed when an antibody binds to its target
자주 혼동되는 단어
An antigen is the 'invader' or trigger, while an antibody is the 'soldier' produced by the body to neutralize it.
A pathogen is the entire harmful organism (like a germ), whereas an antigen is a specific part of that pathogen.
사용 참고사항
The word is primarily used in medical and biological contexts. While it technically refers to any substance that triggers immunity, in general conversation it is most often used regarding diagnostic tests.
자주 하는 실수
Learners often use 'antigen' and 'antibody' interchangeably; remember that 'gen' in antigen implies it 'generates' an immune response.
암기 팁
Think of 'Anti-gen' as an 'Antibody Generator'. It is the substance that generates the need for antibodies.
어원
Derived from the French 'antigène', a contraction of 'antisérum' and 'gène' (producing).
문법 패턴
문화적 맥락
The term became widely known by the general public globally during the COVID-19 pandemic due to the prevalence of 'rapid antigen tests'.
빠른 퀴즈
The patient tested positive for the viral _______, meaning they are likely currently infected.
정답!
정답은: antigen
관련 어휘
관련 단어
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