commissure

commissures; cerebral commissurotomy; split brain; hemispheric laterality; cerebral dominance; handedness; interhemispheric disconnection; callosal disconnection

缝处；大脑连部切开术；裂脑；半球偏侧性；大脑优势；用手的习惯；半球间的开；胼胝体开

The anterior two third of glottis (phonatory portion), mucosa over the posterior commissure and the arytenoids muscle all remain intact.

此过程只影响杓状软骨内侧，然而声门前三的发声区，后黏处的黏膜及杓状肌皆保持完好。