Summary
Study of the pineal complex of several Columbiformes demonstrates:
-
a)
the presence, in embryos, of numerous evaginations of the diencephalic roof;
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b)
the presence, in adults, of a parenchymal accessory structure, probably a remnant of one or more secondary evaginations;
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c)
the variability, among specimens, of the diencephalic course of the pineal tract fibers;
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d)
the predominant asymmetry of the basal attachment of the pineal stalk to the left of the mid-line.
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Renzoni, A. Developmental morphology of the pineal complex in doves and pigeons (Aves; Columbidae). Z. Zellforsch. 104, 19–28 (1970). https://doi.org/10.1007/BF00340047
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DOI: https://doi.org/10.1007/BF00340047