The Human Brain during the First Trimester 15- to 18-mm Crown-Rump Lengths: Atla

15 mm Crown Rump Length, C9247 ——————————————————————–22Plates 1-7 A/B ———————————————————————————————-24-37High Magnification Plates 8-21 A/B———————————————————————38-65 PART III.