Korner&;s septum is seen in?: (A) Petro-squamous suture, (B) Temporo-squamous suture, (C) Petro-mastoid suture, (D) Fronto-zygomatic suture
Answer is A. 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.