Ualiyeva, Rimma Meyramovna; Zhangazin, Sayan Berikovich; Altayeva, Indira Bulatovna
(OnLine Journal of Biological Sciences, 2022)
It is known that the class Trematoda includes exclusively parasitic
forms of flatworms. In this regard, they have formed a variety of
morphological and functional adaptations to a parasitic lifestyle. One of them
is ...