metathoracic air sac [FBbt_00003118]

Small diverticulum of the adult thoracic tracheal branches that arises just above the posterior thoracic spiracle.

metathoracic air sac

ID: FBbt_00003118

Adult Anatomy

Small diverticulum of the adult thoracic tracheal branches that arises just above the posterior thoracic spiracle.

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## Classification

Relationships