Ecdysial line

Pronunciation
/ek-diz-ee-al line/
Category
Anatomy
Singular
Ecdysial line
Plural
Ecdysial lines

Definition

The preformed line along which the old cuticle splits during molting in arthropods.

Etymology

From Greek 'ecdysein' meaning 'to shed' and 'line' referring to a row or line of cells.

Example

During molting, the ecdysial line serves as the predetermined path for the old exoskeleton to split and shed.

Related Terms

  • Ecdysone
  • Prothoracicotropic hormone
  • Molting