proecdysis

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proecdysis

zoology

Also known as: premolt

Learn about this topic in these articles:

stage in molting

In crustacean: Exoskeleton
…into four main stages: (1) Proecdysis, or premolt, is the period during which calcium is resorbed from the old exoskeleton into the blood. The epidermis separates from the old exoskeleton, new setae form, and a new exoskeleton is secreted. (2) Ecdysis, or the actual shedding of the old exoskeleton, takes…
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