Rexed laminae [SEP] discoverer or inventor
Rexed laminae
The Rexed laminae 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.
Similar to Brodmann areas, they are defined by their cellular structure rather than by their location, but the location still remains reasonably consistent.
Laminae.
- Posterior grey column: I–VI
- Lamina I: marginal nucleus of spinal cord or posteromarginal nucleus
- Lamina II: substantia gelatinosa
motor neurons. In 1952, the grey matter of the cat's spinal cord was investigated, and it was shown to have ten distinct zones referred to as Rexed laminae. Eventually, the lamination pattern was also observed in several species including humans. Rexed laminae VII and VIII are locations where most of the interneurons are found.
Development.
In the mouse's dorsal alar plate, six progenitor domains give rise to dI1-dI6 neurons and two classes of dorsal interneurons. In addition, in the ventral half of the neural tube