Reticular formation of the frog in comparison with the lamprey. An attempt to explain the origin of the basic components of reticular formation on the basis of cytoarchitecture.
D000717:Anatomy, Comparative; D000818:Animals; D005399:Fishes / Q000033:anatomy & histology*; D007798:Lampreys / Q000033:anatomy & histology*; D011893:Rana esculenta / Q000033:anatomy & histology*; D012154:Reticular Formation / Q000166:cytology*