The male y chromosome has a gene ( sry ) which switches on the development of testis and pumps out male hormones that determine maleness .

y染色体上一个名为sry的基因决定着男性的体征，它决定了是否能长睾丸和产生男性荷尔蒙。

The protein , which was identified at memorial sloan-kettering , is normally absent in tissues after fetal development , except in the testis , but it reappears in about a third of all common cancers .

这种蛋白质是由斯隆凯特琳中心识别出的，在胎儿发育后，其通常在人体组织中缺失（除睾丸外），但在三分之一的常见肿瘤中都会出现它的身影。

In male , the immunopositive reaction in spermatogonia , spermatocyte and spermatid to testosterone antibodies strengthened gradually during the development and maturation of testis .

在雄性,随着精巢发育成熟,精原细胞、精母细胞和精子细胞对睾酮抗体的免疫阳性反应逐渐增强.

Investigation of heroin addict testis and epididymis by b-ultrasound .

二维超声对海洛因依赖者的睾丸、附睾观察。

Bradner has high hopes that brd4 inhibitors such as jq1 will become cancer therapies , but he and his colleagues knew that brd4 is also closely related to a protein called brdt , which helps control cell division in the testis .

布拉德纳对brd4抑制剂例如jq1，将成为癌症治疗剂抱有高度的希望，不过，他和他的同事们知道，brd4也与有助于控制睾丸中细胞分裂的一种称为brdt的蛋白质密切地相关。