Observations on the Moulting of the Silkworm and a Histological Study of the Moulting Gland During Functioning ...Stanford University, 1929 - 72페이지 |
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3개의 결과 중 1 - 3개
22 페이지
... end enclosing the new mandibles and immediate parts . With the increase of strain at the anterior end , the forward movement of the body continues and the thorax is pressed out through the opening at the neck membrane . The neck ...
... end enclosing the new mandibles and immediate parts . With the increase of strain at the anterior end , the forward movement of the body continues and the thorax is pressed out through the opening at the neck membrane . The neck ...
25 페이지
... thorax . The new heirs are colorless and shiny . The muscle attachments are ... end of the instar . ACTIVITIES AFTER THE MOULT When the larva is completely ... thorax uplifted -25- ACTIVITIES AFTER THE MOULT.
... thorax . The new heirs are colorless and shiny . The muscle attachments are ... end of the instar . ACTIVITIES AFTER THE MOULT When the larva is completely ... thorax uplifted -25- ACTIVITIES AFTER THE MOULT.
31 페이지
... thorax are evident . The next stage , the " glossy stage " , is one in which ... end the old cuticula is dissociated entirely from the newly- formed one ... end thorex . The pressure from within the body which 11 causes the rupture is due ...
... thorax are evident . The next stage , the " glossy stage " , is one in which ... end the old cuticula is dissociated entirely from the newly- formed one ... end thorex . The pressure from within the body which 11 causes the rupture is due ...
목차
THE SPINNING PERIOD BEHAVIOR OF LARVA | 5 |
THE GLOSSY STAGE FIRST INDICATIONS OF MOULTING | 8 |
THE ACTIVE STAGE MUSCULAR CONTRACTIONS | 11 |
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active stage adheres closely alimentary canal anal horn appear Bellesne beneath the old blood body begins body continues Bombyx mori ceases to feed chitinous chitogenous digestive tube DORSAL GLAND dorsal horn drawn ectoderm elongate exerted exuvial rupture Fahr fifteen pairs FIGURE IV DORSAL fixed position folds glossy stage head and thorax HISTOLOGICAL STUDY hours before ecdysis hypodermal cells insect integument Knab labium larva larva feeds larval head last half hour leaf mandibles maximum swelling ments mesothorax METATHORAX moulting fluid moulting glands mouth cavity muscle attachments muscular action neck membrane nuclear material observation Odonata oesophagus old capsule old cuticula becomes old head capsule old skin peritreme posterior segments posteriorly preceding ecdysis preceding the rupture pressure previously described process of moulting region rupture takes place Shafer silkworm slight slipped spinning period spiracle stomodaeum stretched texture thoracic cuticula threads tion tracheal linings transparency triangle stage twenty-four uplifted ventral Verson wave