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branchiostegite
branchiostegite n. 
/ˌbræŋkɪˈɒstɪdʒaɪt/ [apparently after Greek στεγίτης, erroneously taken as an agent noun < στέγειν] the membrane covering the gills.
/ˌbræŋkɪˈɒstɪdʒaɪt/ [apparently after Greek στεγίτης, erroneously taken as an agent noun < στέγειν] the membrane covering the gills.ΘΚΠ
the world > animals > animal body > general parts > internal organs and systems > [noun] > lung or gill > membrane covering gills
gill plate1877
branchiostegite1880
1880 T. H. Huxley Crayfish 25 This flap..is called the Branchiostegite because it covers the gills or branchiae.
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