hyaline layer

…a clear layer, called the stratum lucidum, can be distinguished between the stratum granulosum and the stratum corneum.

…a transparent layer, called the hyaline layer, which plays an important role in holding together the cells (blastomeres) formed during division, or cleavage, of the egg. The plasma membrane surrounding a fertilized egg, therefore, is a mosaic structure containing patches of the original plasma membrane of the unfertilized egg and…

…an unstainable stratum lucidum, or hyaline layer, can be recognized in palmar and plantar epidermis and some other regions (palmar and plantar refer to the palm surface of the hand and the bottom surface of the foot, respectively).