Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 376 EMBRYOLOGY OF INSECTS AND MYRIAPODS The mesodermal tube continues to elongate, its caudal end being drawn more and more into the interior, thus becoming more and more angulated until at the time when the tube is at its maximum length the two limbs of the tube lie parallel with each other. Before the union of the mesenteron ribbons on the ventral side, clefts form laterally in the me

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Embryology of insects and myriapods; Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching embryologyofinse00joha Year: 1941 376 EMBRYOLOGY OF INSECTS AND MYRIAPODS The mesodermal tube continues to elongate, its caudal end being drawn more and more into the interior, thus becoming more and more angulated until at the time when the tube is at its maximum length the two limbs of the tube lie parallel with each other. Before the union of the mesenteron ribbons on the ventral side, clefts form laterally in the mesoderm, in which, at an earlier period, the lumen had been obliterated. This is the first indication of the definitive haemo- stom

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