Figure 4

Histology of healthy and SKUD-affected Holothuria scabra sea cucumber integuments. (A–C), (E–I) Masson’s Trichrome staining. (A–C) healthy integument, (D–I) SKUD-affected integument. Legend: Epi epidermis, LCT loose connective tissue, DCT dense connective tissue, Ucl ulcer.