Fig. 5From: Ultrastructure of the fertilized egg envelope from Melanotaenia praecox, Melanotaeniidae, TeleosteiThe electron micrographs of the fertilized egg envelopes section. The fertilized egg envelope was a multi-layer lamellar structure in SEM image (a). The egg envelope consisted of two layers, an inner lamella layer (IL) and an outer layer with high electron-density (arrow). And the inner layer was 8 layers on TEM image (b)Back to article page