urogenital sinus

  • n.泌尿生殖窦;尿(生)殖窦
urogenital sinusurogenital sinus
  1. At E_ ( 21 ) the ventral surface of urogenital sinus began to differential into urethral groove which extends to the top of genital tubercle .

    E21d,尿殖窦腹面开始分化出尿道沟,伸向生殖结节的顶部。