免疫

1. Origins, structure, and basic meaning

• Structure: 免疫(めんえき) is a noun for the body's defensive function in responding to pathogens and similar threats.
• Basic usage: It appears in descriptions of bodily defense and the process of acquiring that function.

2. Common pitfalls and similar expressions

• Function and acquisition
  • 免疫の働き focuses on immune function, while 免疫を獲得する describes acquiring immunity.
• Scope compared with 抵抗力
  • 抵抗力 can broadly mean the capacity to resist an influence, whereas 免疫 is more specific to the body's immune response.