Supplement 发表于 2025-3-25 06:08:57
Appearance of the brain,as been effected by increased folding so that the convolutions of the human cerebral cortex are considerably more extensive than of the rat or rabbit. The function of the cortex has altered also: the ‘primary cortex’ concerned with sensorimotor function (Fig. 2.1) has remained proportionately much t保守党 发表于 2025-3-25 10:29:52
Neurotransmission,ability to these ions may be a matter of size since the hydrated sodium ion is some 50% larger than the hydrated potassium ion. Nerve cells, in common with most cells, contain high concentrations of K. (100–120m.) and low concentrations of Na. (20m.) relative to the concentrations existing outside i多余 发表于 2025-3-25 15:39:14
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