英语语法分析

Platelets are produced in the bone marrow from megakaryocytes, under the influence of thrombopoietin.

骨髓中的巨核细胞在血小板生成素影响下产生血小板。

AIM: to study the effects of thrombopoietin (TPO) and other hematopoietic cytokines on platelet activation.

目的：研究血小板生成素(TPO)及其他造血生长因子在体外对人血小板活化的影响。

Objective to explore the diagnostic value of serum level of thrombopoietin (TPO) for thrombocytopenic diseases.

目的探讨血小板生成素(TPO)在血小板减少性疾病中的诊断意义。