Development and Ultrastructure:

Zn is Incorporated Late – After Ecdysis:

In the below picture from the top right going clockwise the images show Scorpion, Vaejovis spinigerus 40h, 90h and 160h after ecdysis:

 

Similarly, Zn is incorporated into ant mandibles, Tapinoma sessile, during the first 100 hours of adult life.

How does Zn enter formed cuticle?

On the left you will see nano-canals and on the right you see the canals.

 

Zn and Mn are not reabsorbed before ecdysis:

Scorpion stings, Paruroctonus boreus.

 

 

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