Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 114
... reproductive glands . sometimes without ducts , reproduction seldom vegetative , but regenerative powers well developed . The worms are dominated by the repro- ductive tissues which often form a great part , or the whole of the middle ...
... reproductive glands . sometimes without ducts , reproduction seldom vegetative , but regenerative powers well developed . The worms are dominated by the repro- ductive tissues which often form a great part , or the whole of the middle ...
Strona 118
... reproduction , regenerative powers confined to the healing of wounds . The birds are dominated by their respiratory system , the region of the ribs is import- ant and not marked off , as in the mammalian thorax ; the sternum forms an ...
... reproduction , regenerative powers confined to the healing of wounds . The birds are dominated by their respiratory system , the region of the ribs is import- ant and not marked off , as in the mammalian thorax ; the sternum forms an ...
Strona 119
... reproduction from shed pieces , regeneration of greater part of the body effected , and shedding of parts habitual ... reproduce the structure of the vessels and even the heart of higher forms , possibly in our view this is true for only ...
... reproduction from shed pieces , regeneration of greater part of the body effected , and shedding of parts habitual ... reproduce the structure of the vessels and even the heart of higher forms , possibly in our view this is true for only ...
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added adult alimentary canal analogy analysis animals Applications arranged atom becoming bilateral Black blastopore body bone British Canada carbon cavities character Chemical chemistry circulatory system clearly cœlom compared conception consider constructed containing definite described developed discoveries distinct dominant dorsal Drebbel ducts element embryo exact excretory experiments external extract force fundamental gills give given groups gypsum head heart higher ideas important included industry interest internally known laboratory latter Lavoisier less light limbs London lungs malt material means ment mesoderm method molecule mouth muscle National Mark nature neck nervous system obtained opening organic molecule organs original pairs Paris passing Patent Phylum physical placenta plant position possible present Priestley primitive problem produce quantitative Ratio reproduction segments sense separate short skeleton sometimes stages structure substances tail tion trunk types urogenital usually various vegetative whole