Abbreviation

PBexl

Species

Rat

Description of part

Along the lateral aspect of PBl in the rostral third of PB, a very small cell group made up of neurons 12.5 &plusmn 0.2 micrometers in mean average diameter, indents the medial border of the lateral lemniscus. This is the extreme lateral nucleus (see Fig. 1A). The neuronal perikarya in this group are multipolar, slightly larger than the neighboring central lateral cells, and are characterized by darker cytoplasmic staining and greater packing density. These neurons are easily distinguished from the nearby cells of the dorsal nucleus of the lateral lemniscus which are much larger and have quite prominent nucleoli. The extreme lateral group is only about 2OO micrometers in its rostrocaudal extent. It begins rostrally as a round cluster lateral to the lateral tip of the SCP, gradually becoming vertically elongated as its cells shift medially to abut on the external lateral nucleus.

Part type

gray matter

Nomenclature

Moga-Fulwiler-Saper

Endorsement

The approach used by the collator Mihail Bota is not endorsed by the author of the nomenclature.

Reference