n: number of sequences; S: number of polymorphic sites; k: average number of pairwise nucleotide differences; π: nucleotide diversity; Eta(s): total number of singleton mutations; Hd: haplotype (gene)
Projection through merged optical section series of a filled astrocyte (green) in the molecular layer of the dentate gyrus, stained for Epha4 (red), showing the relationship between astrocyte proces
