首页> 外文期刊>Reproductive toxicology >Preputial separation and glans penis changes in normal growing Crj: CD (SD) IGS rats.
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Preputial separation and glans penis changes in normal growing Crj: CD (SD) IGS rats.

机译:正常生长的Crj:CD(SD)IGS大鼠的原皮分离和龟头阴茎变化。

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摘要

This study was designed to detect preputial separation and glans penis changes in normal growing SD rats. We examined the changes until 53 days after birth. The glans penis surface changed from a protruding os penis structure to a W shape, and from a W shape to a flattened surface with age. The protruding os penis structure changed gradually to the W shape from postnatal day (PND) 30, and all rats had the W shape by PND 35. The flattened surface was observed from PND 39, and all rats had this structure by PND 44. In all rats, the day of complete preputial separation exactly corresponded to the day of appearance of the flattened surface.
机译:这项研究旨在检测正常生长的SD大鼠的外皮分离和龟头阴茎变化。我们检查了直到出生后53天的变化。龟头的阴茎表面随着年龄的增长从凸出的阴茎结构变为W形,从W形变为平坦的表面。从出生后第30天开始,凸出的阴茎结构逐渐变为W形,所有大鼠在PND 35时呈W形。从PND 39观察到平坦的表面,所有大鼠在PND 44时都呈这种结构。在所有大鼠中,完全包皮分离的那天与平坦表面出现的那天完全对应。

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