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Page 297
... cells continue to proliferate , the tissue becomes thicker and forms layers . Three different cell types can be seen : ordinary epidermal cells , synthesizing adult cuticle ; duct cells that elaborate tubules extending inward from the ...
... cells continue to proliferate , the tissue becomes thicker and forms layers . Three different cell types can be seen : ordinary epidermal cells , synthesizing adult cuticle ; duct cells that elaborate tubules extending inward from the ...
Page 351
... cells . In a growing epithelial sheet , for instance , when cells touch each other " contact inhibi- tion " occurs to stop further division of the cells . In the last chapter I indicated that sometimes this does not occur in cancer ...
... cells . In a growing epithelial sheet , for instance , when cells touch each other " contact inhibi- tion " occurs to stop further division of the cells . In the last chapter I indicated that sometimes this does not occur in cancer ...
Page 352
... cells retained the power to multiply , and as the single cells expanded into a continuous sheet , they differen- tiated into typical , multinucleated , long , contractile , striated - muscle cells , in association with the connec- tive ...
... cells retained the power to multiply , and as the single cells expanded into a continuous sheet , they differen- tiated into typical , multinucleated , long , contractile , striated - muscle cells , in association with the connec- tive ...
Contents
CHAPTER TWO to here | 5 |
CHAPTER THREE | 51 |
CHAPTER FOUR | 89 |
Copyright | |
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abstracting acid activity adjustment processes amino acids animals average axon behavior bits per second blood boundary brain cell membrane cellular cerebral cortex cesses changes channel capacity chemical complex cortex cross-level curves cytoplasm decoding decrease echelon encoding energy ensemble environment enzyme error Example experimental experiments extruder fibers filtering function higher hormones human HYPOTHESIS increased information input information input overload information output information processing information theory Input in bits input rate input transducer internal transducer living systems markers mation matter-energy median memory ment messages microtubules mitochondria mitosis molecules motor nerve nervous system neural neurons nucleus occur omission organelles organism level output rate output transducer percent produced protein Psychol pulses queuing rate of information reaction receptor cells refractory period Reprinted by permission response sensory signals similar species storage stored structure subjects substances suprasystem synapses synthesis theory tion tissue transmission transmitted types variables various