The term ridged band is a description of an area/band of highly innervated wrinkly skin toward the end of the foreskin. The term ridged is used to describe the area instead of the more commonly used term "wrinkled".
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。