Cartilaginous dermal scales in cephalopods.
Epidermal scales of the squid Cranchia scabra are composed of tissue which stains metachromatically with toluidine blue, and which is similar in appearance to hyaline cartilage.
D000818:Animals; D005075:Biological Evolution; D002356:Cartilage / Q000166:cytology*; D008974:Mollusca; D013194:Staining and Labeling