Sulcus limitans

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Brain: Sulcus limitans
Latin s. limitans fossae rhomboideae
Gray's subject #187 799
NeuroNames hier-626
Dorlands/Elsevier s_28/12769019

In the fourth ventricle, the sulcus limitans forms the lateral boundary of the medial eminence. In the superior part of the rhomboid fossa, it corresponds with the lateral limit of the fossa and presents a bluish-gray area, the locus ceruleus (which owes its color to an underlying patch of deeply pigmented nerve cells, termed the substantia ferruginea).

It is seen as slight depressions separating the basal and alar plates.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.