尿道动脉
Arteria urethralis
定义
尿道动脉起自尿道球动脉前方不远处。其向前内侧走行，穿过尿生殖膈下筋膜，进入尿道海绵体，并在其中继续向前延伸至阴茎头。
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/).
