Jul 1, 1977

Evoked motor activity and maturation sequence of striate complex structures during chick embryogenesis

Zhurnal evoliutsionnoĭ biokhimii i fiziologii
E G GevorgianM V Medvedeva

Abstract

Morphological and functional maturation of different structures of the striatal complex takes place heterochronously, as revealed in studies on motor activity of 17--21-day chick embryos evoked by electrical stimulation of these structures. Phylogenetically more ancient structures, i. e. archi- and paleostriatum, are the first to be involved into regulation of the motor activity. These structures together with the structures of the midbrain and cerebellum are considered as "the primary" step of regulatory mechanisms which develop during functional maturation of the motor analyser. Neostriatal mechanisms operate from the 19th day of incubation, whereas hyperstriatal ones--only to the day of hatching.

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Mentioned in this Paper

Molecular Motor Activity
Globus Pallidus
Reaction Time
Paleostriatum
Lentiform Nucleus Structure
Entire Midbrain
Biologic Development
Embryonic Development
Hatching
Cell Differentiation Process

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