单词	axoplasm
释义	axoplasm /ˈaksə(ʊ)plaz(ə)m / noun [mass noun] Biology The cytoplasm of a nerve axon.The brightness and density of mito-GFP labeling within presynaptic boutons provides a rough estimate for mitochondrial concentration in the presynaptic axoplasm.... Furthermore, both the rates and mode of saltatory transport of organelles in giant lamellipodia resemble myosin-driven transport along actin in extruded squid axoplasm. Here we provide evidence of a new type of organelle movement in squid axoplasm which is independent of both microtubules and microtubule-based motors. Derivatives axoplasmic adjective ... Previous studies have shown that assessments of dye exclusion can depend upon the electrical charge of the dye and other factors (e.g., axoplasmic outflow at the injury site). For example, elevation of the axoplasmic concentration of Caz + is necessary for the initiation of vesiculation, leading to axonal repair, and the degradation of axonal proteins, leading to axonal degeneration. The enzymes are produced in the nerve cell bodies and pass down the axon to the nerve terminals in the so-called axoplasmic flow (they can travel a considerable distance - for example, from the spinal cord to the foot muscles).
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