Ultrastructure of the bladder tegument of Cysticercus bovis in various stages of its development
Schramlová, J.; Blazek, K.
Folia Parasitologica 28(1): 61-69
1981
ISSN/ISBN: 0015-5683 PMID: 7227870 Document Number: 181756
Early developmental stages of Cysticercus bovis (14 and 23 days old) in experimentally infected calves possessed microvilli on the tegument. The differentiation of microtriches occurred at the time of scolex formation (day 28). The distal cytoplasm contained rod-shaped bodies and vesicles of various sizes; both originate from subtegumental cells. During the development of the bladder wall, 3 types of cells, differing in their structure and organization of granular endoplasmic reticulum, were present in the subtegumental layer. The distal cytoplasm contained sensory endings of only one type, which do not penetrate onto the surface of the tegument and remain under the plasmatic membrane covering the distal cytoplasm.