In mice, widespread deletion of the tumor suppressor Phosphatase and tensin homolog (PTEN) generates hamartomatous intestinal polyps with epithelial and stromal inolement.

在小鼠，广泛删除肿瘤抑制因子磷酸酶和张力蛋物〔PTEN〕产生错构小肠窝，含有上皮和间质。

The feat silkworm room environment condition, can strengthen the silkworm son corporeity, repress the pathogeny breeding indoor,lower the outbreak rate, and raise the yield of the cocoon.

蚕室环境条件，可增强蚕儿体质，抑制其小环境内病原物繁殖，降低发病率，提高茧产量。