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The Journal of Basic and Applied Zoology

Table 2 The origin and insertion of dorsoventral muscles, supportive muscles, ventral (coxal) muscles, and genital muscles of adult female Unionicola aegyptiaca

From: Studies on the cuticle and musculature of freshwater mite, Unionicola aegyptiaca

Muscle

Dorsoventral muscles

Origin

Insertion

 I

Posterior margin of coxa I (2 bands)

Coxal epimerae I

 II

Posterior margin of coxa I (2 bands)

Coxal epimerae III

 III

Posterior margin of coxa I (2 bands)

Coxal epimerae IV

 IV

Posterior margin of coxa III (2 bands)

Coxal epimerae IV

 V, VI

Posterior margin of coxa IV (2 band)

Body wall posterior coxal epimerae IV

Muscle

Supportive muscles

Origin

Insertion

 I, II

Posterior margin of coxa IV (2 bands)

Transverse coxal ligament

 III

Posterior margin of coxal epimerae IV (2 band)

Transverse coxal ligament

 IV

Body wall (2 band)

Transverse coxal ligament

 V

Central genital field (2 band)

Transverse coxal ligament

Functional group

Ventral (coxal) muscles

Origin

Insertion

Leg I

 Elevator I

Coxal epimerae I (2 band)

First segment of leg I (protractor)

 Depressor I

Body wall between coxal epimerae IV (2 band)

First segment of leg I (retractor)

 Elevator II

Leg II

Coxal epimerae II (2 band)

First segment of leg II (protractor)

 Depressor II

Coxal epimerae II (2 band)

First segment of leg II (retractor)

 Elevator III

Leg III

Coxal epimerae III (2 band)

First segment of leg III (protractor)

 Depressor III

Coxal epimerae III (2 band)

First segment of leg III (retractor)

  Elevator IV

Leg IV

Coxal epimerae IV (2 band)

First segment of leg IV (protractor)

 Depressor IV

Coxal epimerae IV (2 band)

First segment of leg IV (retractor)

Functional group

Genital muscles

Origin

Insertion

 Dorsoventral muscles

Dorsoventral plate

Dorsal flap

 Ventral muscles

Ventral plate

Ventral flap

 Valval muscles

Genital valve

Genital duct

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