尿道海绵体小梁
Trabeculae corporis spongiosi penis
定义
尿道海绵体的纤维被膜较阴茎海绵体的纤维被膜更薄、颜色更白、弹性更强。尿道海绵体的小梁更为纤细，粗细近乎一致，小梁间的网眼也较阴茎海绵体者为小；其长轴在大多数情况下与阴茎的长轴方向一致。
參考資料
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
