EOG86X1SB GO:0007306 1/12 eggshell chorion assembly biological_process "Construction of the chorion portion of the eggshell, which comprises the channels for gas exchange in an insect eggshell." [GOC:dph, GOC:mtg_sensu, GOC:tb, ISBN:0879694238] EOG86X1SB GO:0042600 1/12 chorion cellular_component "A protective, noncellular membrane that surrounds the eggs of various animals including insects and fish." [GOC:jl, ISBN:0721662544]