Hypodermis sentence example

hypodermis
  • The hypodermis is composed of parts of two different kinds, viz.

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  • Exoskeleton The outer cellular layer (ectoderm or " hypodermis ") of insects as of other Arthropods, secretes a chitinous cuticle which has to be periodically shed and renewed during the growth of the animal.

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  • This cellular layer is called the hypodermis; it is protected externally by a cuticle, a layer of matter it itself excretes, or in the excretion of which it plays, at any rate, an important part.

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  • The cuticle contrasts strongly in its nature with the hypodermis it protects.

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  • By histolysis certain parts of the hypodermis are destroyed, while other portions of it develop into the new structures.

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  • In such leaves, there are a well-marked cuticle, a thick epidermis, a thick hypodermis at least on the upper side of the leaf, well-developed palisade tissue, and a poorly developed system of air-spaces.

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  • The adult caterpillar may be described as a creature the hypodermis of which is studded with Adapted from Koerschelt and buds that expand and form the butterHerder, and Lowne.

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  • In other insects the imaginal disks are less completely disconnected from the superficies of the larval hypodermis, and may indeed be merely patches thereof.

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  • Before a moult actually occurs the cuticle becomes separated from its connexion with the underlying hypodermis.

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  • The imaginal disks for the outer wall of the body, some of them, at any rate, include mesodermal rudiments (from which the muscles are developed) as well as hypodermis.

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  • In Endopterygota the wings commence their development as invaginations of the hypodermis, while in Exopterygota the wings begin - and always remain - as external folds or evaginations.

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  • The hypodermis is the immediate agent in effecting the external changes.

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