Words similar to innervation
Example sentences for: innervation
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There is no specific loss of all afferent and efferent innervation to the canal crista (Fig.
In essence, this theory of regulation of neuronal connections via neurotrophic support implies that only limited quantities of neurotrophins are released by the target tissue to support only properly connected sensory neurons by providing only these with a critical amount of neurotrophins [ 21 ] . Past experiments, which eliminated one or more neurotrophins entirely, only partially tested the basic assumption of this theory in vivo . For example, in BDNF heterozygotic animals there is a small decrease in the number of sensory neurons in the ear [ 13 ] but no change in the overall pattern of innervation.
[ 5 ] . BDNF transiently stabilizes silent NM synapses during the period of transition from polyneuronal to mononeuronal innervation of skeletal muscle fibers [ 6 ] . BDNF and CNTF cooperatively affect efficiency of embryonic xenopus neuromuscular synapses in culture [ 7 8 ] . BDNF stimulates transmitter release from neuromuscular synapses [ 9 ] and enhances the efficiency of transmission at the neuromuscular synapse [ 10 ] . BDNF, together with NT-3, can restore neuregulin levels and a normal distribution of AchR at the neuromuscular junction blocked with curare [ 11 ] . BDNF, in conjunction with fibronectin, increases spontaneous synaptic currents in the cultured embryonic xenopus neuromuscular junction [ 12 ] . BDNF down-regulates AchR clustering, most likely by binding to TrkB expressed in myocytes [ 13 ] . BDNF downregulates agrin levels in muscle but increases neuregulin in ventral horn spinal motor neurons at the time when they form neuromuscular synapses [ 14 ] .
As in newborn animals, efferent fibers closely follow the pattern of innervation displayed by afferents (data not shown).
Reduction of vestibular innervation is more pronounced than at P0.
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