皮下注射英文缩写是sc，全拼是subcutaneous injection。
皮内注射英文缩写是id，全拼是Intradermal injection。
例句：
1、治疗通常包括IV或者皮下注射和抗生素。
Treatment generally consists of IV or sub-cutaneous fluids and antibiotics.
2、方法：给SD大鼠皮下注射地塞米松。
Methods: SD rats were immunosuppressed with injection of cortisone acetate.
3、第二种方法是用0.1毫升1∶10稀释液在前臂作皮内注射。
In the second method, 0.1ml.of the1 ∶ 10 dilution is injected intracutaneously in the forearm.
4、皮内注射不同进针方式对DC疫苗诱导乳腺癌患者免疫应答的影响。
Influence of Different Intradermal Puncture on Dendritic Cell Vaccine Induced Immune Reaction in Breast Cancer Patients.
5、结论重复皮内注射TCE，可使SD大鼠产生某种免疫反应。
Conclusion Repeat intradermal TCE injections could elicit abnormal immune response in SD rats.
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