Text-book of comparative anatomy . FIG. 102.— A-D, Diagrammatic representation of the Pharyngeal Apparatus of the Turbel-laria. A, Of Convoluta; B, of Mesostoma ; C, of Planocera; D, of Prosthiostomum. de, Dorsalbody epithelium; ve, ventral body epithelium; o, mouth ; dm, entrance to intestine; pt, pharyn-geal pouch ; ph, pharynx; d, intestine; dep, intestinal epithelium ; s, cesophagus ; p, parenchyma ; dt,dorsal cesophageal pouch ; vt, venteal oesophageal pouch; ms, muscular lamella. Pilicibdoccelidce in many Accela, and also in Mesostomidce, Proboscidea, andPlagiostomidcB. It is found near
Text-book of comparative anatomy . FIG. 102.— A-D, Diagrammatic representation of the Pharyngeal Apparatus of the Turbel-laria. A, Of Convoluta; B, of Mesostoma ; C, of Planocera; D, of Prosthiostomum. de, Dorsalbody epithelium; ve, ventral body epithelium; o, mouth ; dm, entrance to intestine; pt, pharyn-geal pouch ; ph, pharynx; d, intestine; dep, intestinal epithelium ; s, cesophagus ; p, parenchyma ; dt,dorsal cesophageal pouch ; vt, venteal oesophageal pouch; ms, muscular lamella. Pilicibdoccelidce in many Accela, and also in Mesostomidce, Proboscidea, andPlagiostomidcB. It is found near the anterior end of the body in theEwryleptidcB and Prosthiostomidce, among the Polydada, in many lUuibdo-ccela, and all Trematoda. It lies somewhat behind the middle in afew Leptoplanidce among the Polydada, all Tridada, and manyJihabdoccelidce (especially in the Monotidce). It is met with near theposterior end of the body in the Cestoplanidce among the Polydada, andin many Plagiostomida. among the Alloioccela. The structure of
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectanatomycomparative
