. "\"A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of cellulose and pectin-containing cell walls that form adjacent to the middle lamella following cell division and during cell expansion. An example of this is found in Arabidopsis thaliana.\" [GOC:lr, GOC:mtg_sensu]" . . "primary cell wall biogenesis" . "cellulose and pectin-containing primary cell wall biogenesis" . "plant-type primary cell wall biogenesis" . . "primary cell wall anabolism" . "primary cell wall biosynthetic process" . "primary cell wall formation" . "primary cell wall synthesis" .