endoderm (differentiation)是什么意思

用法例句

Adult endodermal sinus tumor of cryptorchidism:a report of 3 cases and review of the literatures.;

成人隐睾内胚窦瘤3例报道及文献复习

To investigate the treatm en t of ovarian endodermal sinus tumor.

[目的]探讨卵巢内胚窦瘤的治疗。

Objective To explore the imaging(Ultrasonography and CT)characteristics of endodermal sinus tumor of the ovary.

目的　探讨卵巢内胚窦瘤的B超和CT特征。

Diagnose and therapy of Yolk sac tumor of testis(Report of 5 cases);

睾丸内胚窦瘤的诊断和治疗体会(附5例报告)

Abstract Objective To study the diagnosis and recognition of yolk sac tumor of testis.

目的 提高睾丸内胚窦瘤的诊治水平。