Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
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Strona 116
... present , striped muscles generally arranged in regular pairs , unstriped muscle present , circulatory system consisting of a ventral two chambered heart , a paired series of main arteries , veins and capillaries present , excretory ...
... present , striped muscles generally arranged in regular pairs , unstriped muscle present , circulatory system consisting of a ventral two chambered heart , a paired series of main arteries , veins and capillaries present , excretory ...
Strona 117
... present , striped muscles not altogether serially arranged , unstriped muscle present , circulatory system with three - chambered ventral heart , with only four or in higher types three pairs of main arteries . In the adult , veins and ...
... present , striped muscles not altogether serially arranged , unstriped muscle present , circulatory system with three - chambered ventral heart , with only four or in higher types three pairs of main arteries . In the adult , veins and ...
Strona 118
... present , alimentary canal with stomodæum and proctodæum , the latter forming a cloaca with the urogenital opening , kidney passing through pro- meso- and meta - nephridial stages , single ovary only , often present in adult , rarely ...
... present , alimentary canal with stomodæum and proctodæum , the latter forming a cloaca with the urogenital opening , kidney passing through pro- meso- and meta - nephridial stages , single ovary only , often present in adult , rarely ...
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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