part of part of has part has part has_part gray matter white matter lamina of septum pellucidum FMA:62472 Wikipedia:Septum_pellucidum#Layers UBERON:0002742 BIRNLEX:1554 BAMS:lsp septum pellucidum lamina One of two layers of both white and gray matter of the septum pellucidum. During fetal development there is a space between the two laminae called the cavum septum pellucidum which, in ninety per cent of cases, disappears during infancy. SCTID:12164006 lamina of the septum pellucidum septum pellucidum central nervous system cell part cluster nervous system cell part layer