sternopleural air sac [FBbt_00003117]
A ventrally located air sac of the adult mesothorax, lying above the base of the mesothoracic leg. It arises from the lateral trunk and extends into the base of the mesothoracic leg. A trachea that extends into the mediosternal region arises from the sternopleural air sac.
sternopleural air sac
ID: FBbt_00003117
Adult Anatomy
A ventrally located air sac of the adult mesothorax, lying above the base of the mesothoracic leg. It arises from the lateral trunk and extends into the base of the mesothoracic leg. A trachea that extends into the mediosternal region arises from the sternopleural air sac.
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Classification
Relationships
- continuous with: adult mediosternal tracheal branch, mesothoracic leg tracheal branch
- is part of: adult tracheal lateral trunk
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