A comparative assessment of the morphology of Profilicollis altmani (Acanthocephala, Polymorphidae) from crustaceans and shore birds in Peru, with special notes on hook elemental analysis (EDXA), SEM imaging, histopathology, and molecular profile

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Table 5

Chemical composition of trunk spines of Profilicollis altmani cystacanths from Emerita analoga in Peru.

Element^*	Single anterior spine	Several spines in anterior	Single middle spine	Posterior-most spine
Phosphorous (P)	3.93	2.61	5	1.15–1.34
Sulfur (S)	3.21	2.7	2.56	3.28–3.94
Calcium (Ca)	6.34	4.07	7.81	2.19–2.26

Palladium (Pd) and gold (Au) were used to count the specimens and gallium for the cross cut of the spines. These and other elements (C, O, N) common in organic matter are omitted. Data are reported in weight (WT%).

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