immunoblotting studies with preparations of keratins from both the non-cornified ( i.e . the basal , spinous and granular layers ) and cornified ( stratum corneum ) layers of epidermis showed that k20 recognized the 46 , 48 , 50 , 55 , 56 , 56.5 , 59 , 61 , 62 , 64 , 65 , 66 and 67 kd bands , of which the 50 and 46 kd bands appeared to be masked in tissue sections .
C0221921
stratum corneum
C0014520
epidermis