Chemical News and Journal of Industrial Science, Tom 145,Wydanie 3776Chemical news office., 1932 |
Z wnętrza książki
Wyniki 1 - 3 z 7
Strona 114
... developed , in some cases the gonads forming the only colomic cavities . The alimentary canal developed out of the primitive archer- teron , sometimes by branching sometimes opening by an excretory orifice ( anus ) which here appears ...
... developed , in some cases the gonads forming the only colomic cavities . The alimentary canal developed out of the primitive archer- teron , sometimes by branching sometimes opening by an excretory orifice ( anus ) which here appears ...
Strona 115
... developed members ( cephalo- pods ) , respiration by means of gills or lungs of special kinds , differing from those of other groups , excretory system one or two pairs of nephridia or Keber's organ , muscu- lar system well developed ...
... developed members ( cephalo- pods ) , respiration by means of gills or lungs of special kinds , differing from those of other groups , excretory system one or two pairs of nephridia or Keber's organ , muscu- lar system well developed ...
Strona 117
... develop- ment proceeding as in birds , but with less parental care , the three embryonic layers with well developed cœlom are present as in other vertebrate animals , embryo discoid , embryonic membranes , chorion , amnion and allantois ...
... develop- ment proceeding as in birds , but with less parental care , the three embryonic layers with well developed cœlom are present as in other vertebrate animals , embryo discoid , embryonic membranes , chorion , amnion and allantois ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
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