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 Fig. 309.—Diacrisia. section of stomodaeum of 77-hour embryo. ilim. m) Limiting membrane, (mge) Mid-gut epithelial ribbon, (suboesb) Sub- esophageal body, (y) Yolk. procf am Fig. 310.—Diacrisia. Sagittal section of 82-hour embryo, (abd) Rudiment of prolog of third abdominal segment, (am) Amnion, (amf) Amniotic fold. (Ir) Labrum. (p) Thoracic legs, (proct) Proctodaeum, obliquely cut.
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 Fig. 309.—Diacrisia. section of stomodaeum of 77-hour embryo. ilim. m) Limiting membrane, (mge) Mid-gut epithelial ribbon, (suboesb) Sub- esophageal body, (y) Yolk. procf am Fig. 310.—Diacrisia. Sagittal section of 82-hour embryo, (abd) Rudiment of prolog of third abdominal segment, (am) Amnion, (amf) Amniotic fold. (Ir) Labrum. (p) Thoracic legs, (proct) Proctodaeum, obliquely cut. (stom) Stomodaeum. (suboesb) Subesophageal body, (y) Yolk. gut epithelial strands is clearly indicated from the sixty-fifth hour onward (Fig. 309). Although at 60 hours not yet apparent, at 65 the proc- todaeum shows the six longitudinal folds so characteristic in many groups
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