Fig. 4From: Ultrastructure of the fertilized egg envelopes in Hemigrammus erythrozonus, Characidae, TeleosteiTransmission electron micrographs of the fertilized egg envelopes from H. erythrozonus. The fertilized egg envelope consisted of two layers, an outer adhesive electron-dense layer (AL) with grooves (arrow) and an inner three feather-like layers (IL) (Scale bar = 1 μm)Back to article page