Anatoly Karpenko

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The distribution of cholinergic neurons was studies in the brain steam, medulla and rostral spinal cord of the salmon Onchorynchus masu using histochemical choline acetyltransferase (ChAT) detection. Cholinergic neurons were observed in the isthmus, cranial nerve motor nuclei and spinal cord. In order to characterize several cholinergic nuclei observed in(More)
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This paper reviews studies on the hexactinellid glass sponges (Hexactinellida: Porifera) that have organic silica spicules. According to its physical properties (microdensity, Young’s modulus, and light transmission), the material of the spicules is similar to amorphous silica; however, sponge spicules are birefringent, which suggests that they have a(More)
The article deals with the television system which registers the lash movements on the screen of TV monitor. The natural moving activity (frequency of whipping) and lashes' activity after the action of different concentration of surface-active substance Triton-H-305 and potassium chloride were investigated on the example of the epithelium of two-folding(More)
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