EOG8BZQGZ GO:0045179 1/95 apical cortex cellular_component "The region that lies just beneath the plasma membrane on the apical edge of a cell." [GOC:bf] EOG8BZQGZ GO:0035159 1/95 regulation of tube length, open tracheal system biological_process "Ensuring that a tube in an open tracheal system is of the correct length." [GOC:bf, GOC:mtg_sensu] EOG8BZQGZ GO:0042067 1/95 establishment of ommatidial planar polarity biological_process "The specification of polarized ommatidia. Ommatidia occur in two chiral forms. The trapezoidal arrangement of photoreceptors in the dorsal part of the eye is the mirror image of that in the ventral part." [GOC:ascb_2009, GOC:dph, GOC:tb, PMID:3076112, PMID:3937883]