A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 18
... intestine closely resembles that of the œsophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large , and filled , in the well ...
... intestine closely resembles that of the œsophagus ; vibratile cilia however , are altogether absent . In Cristatella , the cells of the internal layer corresponding to the middle layer of the stomach are large , and filled , in the well ...
Página 21
... intestine whose origin is nearly on a level with the cardiac orifice , but separated from it by a considerable space . The intestine passes first forwards and towards the neural side , then turns towards the mouth to open after a wide ...
... intestine whose origin is nearly on a level with the cardiac orifice , but separated from it by a considerable space . The intestine passes first forwards and towards the neural side , then turns towards the mouth to open after a wide ...
Página 36
... intestine . This cavity is at first filled with clear , round bodies , having a high refracting power , but in which I could not trace the double outline of a true cell - wall . The polypide is now seen to be suspended from the wall of ...
... intestine . This cavity is at first filled with clear , round bodies , having a high refracting power , but in which I could not trace the double outline of a true cell - wall . The polypide is now seen to be suspended from the wall of ...
Otras ediciones - Ver todas
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes