develops from hypogynial tooth outer ovisensillum peg-like ovisensillum FBbt:00004466 hypogynial hairlike sensillum gonopod thorn bristle hypogynial peg sensillum hypogynial peg-like sensillum vaginal teeth VFB:FBbt_00004466 vaginal tooth hypogynial conical peg Peg-like tooth on the outer surface of a hypogynial valve (McQueen et al., 2022). There are 11-17 on each side (McQueen et al., 2022). It is mono-innervated by a mechanosensory neuron (Shao et al., 2019). fly_anatomy.ontology external sensory bristle of the vaginal plate peg ovisensillum hypogynial spine bristle hypogynial peg-like bristle thorn bristle of vaginal plate hypogynial bristle presumptive hypogynial tooth