Encyclopædia Britannica: A New Survey of Universal Knowledge, Τόμος 16Walter Yust Encyclopædia Britannica, 1956 |
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Σελίδα 209
... body wall consists of two or more layers of circular , spiral and longitudinal muscles which enable the worm to carry on rapid changes in body form . Locomo- tion is accomplished by creeping or gliding , by alternate elongation ...
... body wall consists of two or more layers of circular , spiral and longitudinal muscles which enable the worm to carry on rapid changes in body form . Locomo- tion is accomplished by creeping or gliding , by alternate elongation ...
Σελίδα 210
... body wall and consequently has essentially the same muscular and epithelial layers but in reverse order . In its normal position within the body it lies within the proboscis sheath , which forms a closed , saclike cavity , the ...
... body wall and consequently has essentially the same muscular and epithelial layers but in reverse order . In its normal position within the body it lies within the proboscis sheath , which forms a closed , saclike cavity , the ...
Σελίδα 651
... body directly through the capillaries via the portal system . Whether the nervous system plays any part in absorption is not yet determined . Carbohydrates . These reach the body , as already mentioned , by way of the blood , and in the ...
... body directly through the capillaries via the portal system . Whether the nervous system plays any part in absorption is not yet determined . Carbohydrates . These reach the body , as already mentioned , by way of the blood , and in the ...
Άλλες εκδόσεις - Προβολή όλων
Encyclopaedia Britannica: A New Survey of Universal Knowledge, Τόμος 16 Walter Yust Προβολή αποσπασμάτων - 1950 |
Encyclopædia Britannica: A New Survey of Universal Knowledge ... Walter Yust Προβολή αποσπασμάτων - 1946 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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