When done accurately this method of processing guitar tops yields wood that displays the medullaryrays that run at a right angle to the growth of the grain.
当如此精确的加工吉他面板时，其髓射线和生长纹理线是垂直的。
2
It is a lateral meristem and contains fusiform initials giving rise to secondary xylem and phloem and ray initials giving rise to medullaryrays. See also secondary growth.