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A stereotaxic atlas of the brain of the pigeon (Columba livia)
FOREWORD The problems of evolution rank among mankind's most enduring interests, and it is therefore not surprising that virtually every branch of biology and medicine has ramified in the directionExpand
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Correlations of Neuronal and Microvascular Densities in Murine Cortex Revealed by Direct Counting and Colocalization of Nuclei and Vessels
It is well known that the density of neurons varies within the adult brain. In neocortex, this includes variations in neuronal density between different lamina as well as between different regions.Expand
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Neural connections of the “visual wulst” of the avian telencephalon. Experimental studies in the pigeon (Columba livia) and owl (Speotyto cunicularia)
Retinal fibers in both the pigeon and owl terminate in a multi‐nucleate complex of the dorsal thalamus, including the nuclei lateralis anterior, dorsolateralis‐anterior, dorsolateralis anterior, parsExpand
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Morphology and connections of nucleus isthmi pars magnocellularis in chicks (Gallus gallus)
The nucleus isthmi pars magnocellularis (Imc) and pars parvocellularis (Ipc) influence the receptive field structure of neurons in the optic tectum (TeO). To understand better the anatomicalExpand
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Projections of the nucleus of the basal optic root in the pigeon: An autoradiographic and horseradish peroxidase study
The efferent projections of the nBOR complex, have been studied with both anterograde autoradiographic and retrograde horseradish peroxidase (HRP) techniques. The nBOR complex includes three distinctExpand
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The archistriatum of the pigeon: organization of afferent and efferent connections.
Summary The avian archistriatum, usually considered homologous with the mammalian ‘amygdaloid complex’, was studied in the pigeon by the aid of silver impregnation methods for degenerating nerveExpand
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Organization of the tectofugal visual pathway in the pigeon: A retrograde transport study
In birds, superficial laminae of the optic tectum receive a massive retinal input; the tectum in turn projects upon the nucleus rotundus thalami, which then sends its efferents to the ectostriatalExpand
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Columnar projections from the cholinergic nucleus isthmi to the optic tectum in chicks (Gallus gallus): A possible substrate for synchronizing tectal channels
The cholinergic division of the avian nucleus isthmi, the homolog of the mammalian nucleus parabigeminalis, is composed of the pars parvocellularis (Ipc) and pars semilunaris (SLu). Ipc and SLu wereExpand
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Two distinct populations of tectal neurons have unique connections within the retinotectorotundal pathway of the pigeon (Columba livia)
The tectofugal pathway is a massive ascending polysynaptic pathway from the tectum to the thalamus and then to the telencephalon. In birds, the initial component of this pathway is known as theExpand
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Comparison of fixation and penetration enhancement techniques for use in ultrastructural immunocytochemistry.
Electron microscopic immunohistochemistry, although generally providing good localization, has often failed to produce satisfying ultrastructural preservation. Techniques that result inExpand
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