Gastrodermis is the single-layered endothelial lining of many animals.

from Barnes, R. D. 1980. Invertebrate Zoology. Saunders College, Philadelphia.
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Gastrodermis is the single-layered endothelial lining of many animals.
from Barnes, R. D. 1980. Invertebrate Zoology. Saunders College, Philadelphia.