These extensions of the soma contain Nissl substance, mitochondria, parallel microtubules, and a less conspicuous population of neurofilaments (Fig. 23). Components of the Golgi complex may also be seen in first-order dendrites of some neurons, especially in those with a small soma. In a given neuron they may appear in some primary dendrites and not others (some speculate that the Golgi complex slips in and out in response to unknown commands). Most of the other organelles dwindle out toward the finer branches of the dendritic tree, but the number of mitochondria remains constant or even increases, reflecting the high degree of activity in these receptive cell processes.

Conquering Fear In The 21th Century

Conquering Fear In The 21th Century

The Ultimate Guide To Overcoming Fear And Getting Breakthroughs. Fear is without doubt among the strongest and most influential emotional responses we have, and it may act as both a protective and destructive force depending upon the situation.

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