The Rexed laminae (singular: Rexed lamina) comprise a system of ten layers of grey matter (I–X), identified in the early 1950s by Bror Rexed to label portions of the grey columns of the spinal cord.
I’m not faulting the OP for crying – sometimes we can’t help crying – but I think Elsa’s comment is an interesting perspective that needs to be considered. OP may have felt like such an emotional ...