atrial cavity मीनिंग इन हिंदी

Three subsequent papers published in 1919, 1921 and 1942 all considered it to be a subgenus of " Polycitor " . " Eudistoma " was finally considered a valid genus in 1945 due to " the three rows of pharyngeal slits, long esophagus, flat stomach in the posterior region of the abdomen, very conspicuous longitudinal muscles extending from the pharynx to the end of the abdomen and larvae that are incubated in the atrial cavity . " Identification of species within the genus has been difficult at times due to the wide variety in shape and colour.