The<unk>  <unk>  is a column of neurons located in the<unk> ateral region of the medulla, extending from the caudal facial nucleus to -400μm obex. The four cell<unk> s of the<unk>  are the rostral nucleus retrofacialis, caudal nucleus retroambiguus, nucleus para-ambiguus, and the pre-Bötzinger complex.
Ventral respiratory group
Intertubercular plane
Danger space
Subcostal plane
Secondary bronchus
Ventral root
Solitary tract
Pharyngeal recess