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The Claustrum of the Pig: An Immunohistochemical and a Quantitative Golgi Study
Despite increasing interest in the claustrum (Cl) over the last decades, its function is still a puzzling problem. Among the experimental species of potential use in Cl research, the pig is considered an interesting model, because of the similarities of its brain with the corresponding cortical and subcortical human structures. The swine Cl presents a peculiar morphology, characterized by a wide posterior enlargement, ideal for physiological investigations. There is a wealth of data on general anatomy, cytoarchitecture, and chemo architecture of the Cl, but much less is known about the dendritic morphometry of its neurons. Dendritic length and branching pattern are key features to understand the organization of the microcircuitry, and thus the delineation of the structure–function relationships of the Cl. To this effect, we undertook (a) a quantitative study of the dendrites of the spiny neurons of the swine Cl, employing the Golgi staining; and (b) an immunohistochemical analysis to describe the distribution of the parvalbumin (PV)-immunoreactive interneurons throughout the same nucleus. Taken together, the results that we report here show that the dendritic architecture and the distribution of the PV expressing interneurons change when the Cl of this species changes its shape along the rostro-caudal axis, thus suggesting a potentially specific function for the large posterior puddle. Anat Rec, 2019. © 2019 Wiley Periodicals, Inc.
The Claustrum of the Pig: An Immunohistochemical and a Quantitative Golgi Study
Despite increasing interest in the claustrum (Cl) over the last decades, its function is still a puzzling problem. Among the experimental species of potential use in Cl research, the pig is considered an interesting model, because of the similarities of its brain with the corresponding cortical and subcortical human structures. The swine Cl presents a peculiar morphology, characterized by a wide posterior enlargement, ideal for physiological investigations. There is a wealth of data on general anatomy, cytoarchitecture, and chemo architecture of the Cl, but much less is known about the dendritic morphometry of its neurons. Dendritic length and branching pattern are key features to understand the organization of the microcircuitry, and thus the delineation of the structure–function relationships of the Cl. To this effect, we undertook (a) a quantitative study of the dendrites of the spiny neurons of the swine Cl, employing the Golgi staining; and (b) an immunohistochemical analysis to describe the distribution of the parvalbumin (PV)-immunoreactive interneurons throughout the same nucleus. Taken together, the results that we report here show that the dendritic architecture and the distribution of the PV expressing interneurons change when the Cl of this species changes its shape along the rostro-caudal axis, thus suggesting a potentially specific function for the large posterior puddle. Anat Rec, 2019. © 2019 Wiley Periodicals, Inc.
The Claustrum of the Pig: An Immunohistochemical and a Quantitative Golgi Study
Pirone A. (author) / Miragliotta V. (author) / Cozzi B. (author) / Granato A. (author) / Pirone, A. / Miragliotta, V. / Cozzi, B. / Granato, A.
2019-01-01
Article (Journal)
Electronic Resource
English
Golgi staining , pig , parvalbumin , claustrum , dendrite
DDC:
720
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