The distribution and morphology of corticogeniculate axons in ferrets.
This study examined the distribution of axons in the lateral geniculate (LGN) and adjacent nuclei following injections of wheat germ agglutinin bound to horseradish peroxidase (WGA-HRP), [3H]proline and Biocytin into area 17 in ferrets. Terminal label was found in the LGN, perigeniculate (PGN), medial interlaminar (MIN) and lateral posterior (LP) nuclei. LGN label was more concentrated in the interlaminar zones. Analysis of axonal morphology showed that different axon types project to LGN, MIN and LP. These findings suggest that feedback pathways from area 17 are complex and composed of several classes of axons.
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Department of Cell Biology, Vanderbilt University, Nashville, TN 37232-2175.
Casagrande
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D000818:Animals; D001369:Axons / Q000648:ultrastructure*; D002540:Cerebral Cortex / Q000648:ultrastructure*; D005289:Ferrets / Q000033:anatomy & histology*; D005829:Geniculate Bodies / Q000648:ultrastructure*; D007124:Immunoenzyme Techniques; D009434:Neural Pathways / Q000648:ultrastructure