part of adult head bristle interommatidial bristle Small mechanosensory hair found between ommatidia of the adult eye (Ready et al., 1976). There are around 600-650 of these per eye (Eichler et al., 2024) and they are usually found at the anterior ends of each of the two horizontal faces of each (hexagonal) ommatidium (Ready et al., 1976). Their placement is less regular towards the anterior region of the eye and they are not usually found around the edges of the eye (Ready et al., 1976). eye bristle fly_anatomy.ontology InOm bristle VFB:FBbt_00004133 FBbt:00004133 interfacetal bristle eye microchaeta