part of develops from abdominal sternite female analia hypoproct fly_anatomy.ontology female ventral anal plate female lower anal plate female abdominal sternite 9 FBbt:00004834 The plate ventrally surrounding the anus in females (McQueen et al., 2022). It has an average of 19 sensilla of which four are large (McQueen et al., 2022). It arises from the segment 10 (anal) primordium in the female genital disc (McQueen et al., 2022). female subanal plate female-specific anatomical entity presumptive hypoproct