Afferent projections to the rat locus coeruleus demonstrated
by retrograde and anterograde tracing with cholera-toxin B subunit and
Phaseolus vulgaris leucoagglutinin
Material and methods
I. Cytoarchitecture of the locus coeruleus area
II. Afferent projections to the locus coeruleus
A) Retrograde tracing experiments
B) Anterograde tracing experiments
Photomicrograph showing the location of the PHAL injection in the preoptic
region giving the staining shown in D and in Fig.
18 A and B.