Abstract
The entire body of a cysticercus of Taenia crassiceps is covered with a dense coat of microtriches. Observations revealed the profound regional differences in morphology of these structures. Thick cylindrical microtriches with rounded tips cover the scolex region, being especially pronounced on the surface of the sucker rims. Thin filamentous microtriches with pointed tips predominate on the rostellum and nonbudding regions of the bladder. Intermediate in size cylindrical microtriches are found on the developing buds. Scattered randomly over the bladder surface can be seen small openings leading into excretory canals of a protonephridial system. The bud primordia, when present, show at the early stages of development indentated tegument, composed of grooves and ridges covered with cylindrical microtriches. On some of the larvae tufts of fine, light colored microtriches are found. Bulbous structures protruding out of these patches suggest the presence of sensory receptors.
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