A chitinous extracellular secretion of the four underlying cone cells and the pigment cells. [ http://amigo.geneontology.org/amigo/term/GO:0048058 ]
This is just here as a test because I lose it
A chitinous extracellular secretion of the four underlying cone cells and the pigment cells. [ http://amigo.geneontology.org/amigo/term/GO:0048058 ]