Figure 3: In this photomicrograph, we can see the suspension of an embryo (marked B) during the alaqah stage (about 15 days old) in the womb of the mother. The actual size of the embryo is about 0.6 mm.

• 图3:在此显微照片中；我们可以看出母体子宫内血块阶段(约15天大)的悬浮胚胎(标为B)。胚胎的实际大小约为0.；6厘米。