transverse-ptilinal muscle 18b [FBbt_00058809]

A large temporary transverse muscle extending horizontally from one side of the ptilinum to the other, above the level of the antenna. It functions as a compressor of the ptilinal membrane after each distension pulsation and to permanently invaginate it after emergence. As with other temporary eclosion muscles, it soon degenerates and is not found in older flies.

transverse-ptilinal muscle 18b

ID: FBbt_00058809

Adult Muscle

A large temporary transverse muscle extending horizontally from one side of the ptilinum to the other, above the level of the antenna. It functions as a compressor of the ptilinal membrane after each distension pulsation and to permanently invaginate it after emergence. As with other temporary eclosion muscles, it soon degenerates and is not found in older flies.

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
transverse-ptilinal muscle exact synonym Atkins, 1949

Parts of transverse-ptilinal muscle 18b (1 total)

Thumbnail Name Tags
muscle cell of transverse-ptilinal muscle 18b Adult, Muscle

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