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imaginal disk Syllabification: i·ma·gi·nal disk
Pronunciation: /iˈmāɡənəl/ /iˈmä-/

Definition of imaginal disk in English:


A thickening of the epidermis of an insect larva, which, on pupation, develops into a particular organ of the adult insect.
Example sentences
  • Because the dorsal body wall develops from the wing imaginal disc, data on thoracic body wall patterning are available in Drosophila.
  • Why are imaginal discs present in some insects and not in others?
  • The imaginal discs now develop into rudimentary adult appendages like wings, legs, and antennae.

Definition of imaginal disk in:

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