Anatomy Head and neck 1ba4941a Korner&;s septum is seen in? A Petro-squamous suture B Temporo-squamous suture C Petro-mastoid suture D Fronto-zygomatic suture High-Yield Explanation Korner's septum also known as petrosquamous lamina ia a bony plate formed at the junction of mastoid and temporal squama and it represents the persistence of petrosquamous suture.