Гистология цитология


-21. Nonmyelinated nerve fibre is made up of



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9-21. Nonmyelinated nerve fibre is made up of:
a. one axon, myelin sheath and neurolemma
9-22. Myelin sheath of the nerve fibre is made up of spiral mesaxon of:
c. oligodendrocytes
9-23. Axis cyliders of the nerve are:
a. axon and dendrite of neurocytes
9-24. What structure of the nerve fibre is stainable black with osmic acid:
c. myelin sheath
9-25. Neuroglia cells that are derived from haemopoietic stem cell:
d. microglia
9-26. Neuroglia cells that possess phagocytic activity:
e. microglia
9-27. Neuroglia cells that belong to the system of the mononuclear phagocytes:
e. microglia
9-28. Neuroglia cells that line central canal of spinal cord and ventricles of brain:
d. ependymocytes
9-29. Shape of the cells of ependymal glia that line central canal of the spinal cord:
c. cylindrical
9-30. Neuroglia cells that are mainly found in the gray substance of the organs of central nervous system; perikaryons of the cells give off short thick processes that then divide into secondary processes:
c. protoplasmic astrocytes
9-31. Stellate glial cells whose cell bodies and fibrous filament-possessing processes are found in the white matter of the brain and spinal cord:
d. fibrous astrocytes
9-32. Neuroglia cells that take part in the formation of myelin sheath of nerve fibres:
d. lemmocytes (Schwann cells)
9-33. Schwann’s sheath of the nerve fibre consists of cytoplasm and nuclei of:
c. lemmocytes
9-34. On the photomicrograph there is a multipolar neurocyte and glia cells surrounding its perikaryon and processes. What do we call the type of the glia cell supporting processes of the neurocyte:
d. lemmocyte
9-35. Gliocytes that surround neurons in peripheral ganglia:
e. capsular cells (satellite cells, capsular gliocytes)
9-36. Chemogenic synapses transmit nerve impulse from the presynaptic neuron to the postsynaptic neuron by means of:
c. neuromediators (neurotransmitters)


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