noun
immune serum
Medical term for serum containing antibodies, used in passive immunization or diagnostic tests.
破傷風の治療には免疫血清が使われることがある。
Immune serum is sometimes used in the treatment of tetanus.
血清 (serum) is the general term for blood serum; 免疫血清 specifically refers to serum containing antibodies for a particular pathogen.
Compound of 免疫 (immunity) and 血清 (blood serum).