EOG889737	GO:0007304	1/13	chorion-containing eggshell formation	biological_process	"The construction of a chorion-containing eggshell. An example of this is found in Drosophila melanogaster." [GOC:mah, GOC:mtg_sensu]
EOG889737	GO:0042600	1/13	chorion	cellular_component	"A protective, noncellular membrane that surrounds the eggs of various animals including insects and fish." [GOC:jl, ISBN:0721662544]