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Ecdysis is the moulting of the cuticle in many invertebrates of the clade Ecdysozoa. Since the cuticle of these animals typically forms a largely inelastic exoskeleton, it is shed during growth and a new, larger covering is formed. The remnants of the old, empty exoskeleton are called exuviae.After moulting, an arthropod is described as teneral, a callow; it is "fresh", pale and soft-bodied. Within one or two hours, the cuticle hardens and darkens following a tanning process analogous to the production of leather. During this short phase the animal expands, since growth is otherwise constrained by the rigidity of the exoskeleton. Growth of the limbs and other parts normally covered by hard exoskeleton is achieved by transfer of body fluids from soft parts before the new skin hardens. A spider with a small abdomen may be undernourished but more probably has recently undergone ecdysis. Some arthropods, especially large insects with tracheal respiration, expand their new exoskeleton by swallowing or otherwise taking in air. The maturation of the structure and colouration of the new exoskeleton might take days or weeks in a long-lived insect; this can make it difficult to identify an individual if it has recently undergone ecdysis. Ecdysis allows damaged tissue and missing limbs to be regenerated or substantially re-formed. Complete regeneration may require a series of moults, the stump becoming a little larger with each moult until it is a normal, or near normal, size.
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Albums by EcdysisSort:By AlbumA - Z
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Song | Duration |
---|---|
Nebulous | 4:31 |
Unwhole | 5:47 |
Revolt | 3:34 |
Distance Past | 3:27 |
Hope | 5:06 |
Deprivate | 3:42 |
Vigilant | 4:13 |
Dismember | 3:03 |
Scrutinize | 3:19 |
Kraving | 4:22 |
Gothen | 4:36 |
X Luto | 5:20 |
The Invisible Wall | 4:10 |
Forgotten Empathy | 4:28 |
Resonance of Closure | 4:04 |
Delusional Muse | 4:49 |
For Granted | 6:15 |
Blame | 5:27 |
Finance | 5:09 |
The Space We Keep | 4:48 |
Illusion | 3:23 |
Deathgasm | 4:33 |
The Offering | 4:43 |
Disciple | 3:08 |
Gut The Pig | 2:29 |
The Tide | 3:04 |
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