ptilinum [FBbt_00004483]

Membranous sac that is part of the front of the head capsule. It is everted at eclosion and serves to break open the operculum at the end of the puparium. Following eclosion, it is withdrawn into the head where it collapses and becomes sclerotized, externally leaving the ptilinal suture.

ptilinum

ID: FBbt_00004483

Adult Anatomy

Membranous sac that is part of the front of the head capsule. It is everted at eclosion and serves to break open the operculum at the end of the puparium. Following eclosion, it is withdrawn into the head where it collapses and becomes sclerotized, externally leaving the ptilinal suture.

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## Classification

Relationships

Parts of ptilinum (2 total)

Thumbnail Name Tags
ptilinal suture Adult, Anatomy
shingle cuticle of lateral ptilinum Adult, Anatomy

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