part of part of zygomatic arch zone of bone organ anterior root of zygomatic arch UBERON:0018265 MFMO:0000109 The anterior or rostral end of the zygomatic arch, which includes the temporal process of the zygomatic bone, but also including some of the body of the zygomatic bone. It may also include the zygomatico-temporal suture and the most rostral portion of the zygomatic process of the temporal bone.