perforated substance
n.
Either of the two perforated substances of the brain, designated anterior and posterior.
perforated space
Words nearby perforated substance
perfoliate,
perfoliate bellwort,
perforate,
perforated,
perforated layer of sclera,
perforated substance,
perforated tape,
perforated ulcer,
perforating abscess,
perforating artery,
perforating fiber