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

在鼠，广泛的删除肿瘤抑制因子磷酸酶和张力蛋白同源物〔PTEN〕产生错构的，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.

适宜的蚕室环境条件，可增强蚕儿体质，抑制其环境内病原物的繁殖，降低发病率，提高茧的产量。