FB2026_03 , released September 17, 2026
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Term prefrons ID (Ontology) FBbt:00004489 (Fly Anatomy)
Definition Region of the frons that covers the anterior head capsule ventral to the ptilinal suture (Ferris, 1950).[ FlyBase:FBrf0007734 FlyBase:FBrf0031004 ]
Also Known As"facial carina"
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sclerite
 |__frons_________________
adult head capsule        |
 |__frons_________________|
integumentary system      |
 |__region of integument__|
organ system subdivision  |
 |__region of integument__|
                          prefrons  6 rec.
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Is a region of integument
Part of frons
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