A thickening of the epidermis of an insect larva which, on pupation, develops into a particular organ of the adult insect.
Example sentencesExamples
- 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 genital imaginal discs contain primordia for both male and female reproductive organs and the major function of the sex-determination pathway is to repress the opposite sex primordia.
- The imaginal discs now develop into rudimentary adult appendages like wings, legs, and antennae.
- The adult eye develops from a monolayer of epithelial cells, the eye imaginal disc.