Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 114
... excretory gland , and in a general way an epithelial construction predominates in cœlenterates . or Phylum III . VERMES - Worms . Animals creeping , often parasitic . Animal bodies usually unsegmented , bilaterally symmetrical , wider ...
... excretory gland , and in a general way an epithelial construction predominates in cœlenterates . or Phylum III . VERMES - Worms . Animals creeping , often parasitic . Animal bodies usually unsegmented , bilaterally symmetrical , wider ...
Strona 115
... excretory system one or two pairs of nephridia or Keber's organ , muscu- lar system well developed , but peculiar , larval form a veliger or glochidium , the mouth being developed at the blastoporal pole , animals hermaphrodite ...
... excretory system one or two pairs of nephridia or Keber's organ , muscu- lar system well developed , but peculiar , larval form a veliger or glochidium , the mouth being developed at the blastoporal pole , animals hermaphrodite ...
Strona 117
... excretory organ ( Wolffian body ) developed from pro- and meso - nephros , eggs surrounded by gelatinous coat , swelling in water in which they are laid ( e.g. , frog spawn ) , fertilization external , no vegetative reproduction , but ...
... excretory organ ( Wolffian body ) developed from pro- and meso - nephros , eggs surrounded by gelatinous coat , swelling in water in which they are laid ( e.g. , frog spawn ) , fertilization external , no vegetative reproduction , but ...
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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