A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 23
... walls of the alimentary canal that we are to seek for the true mode in which the external water passes into the perigastric space . The real signification of the perigastric fluid is a point whose determination must be of great ...
... walls of the alimentary canal that we are to seek for the true mode in which the external water passes into the perigastric space . The real signification of the perigastric fluid is a point whose determination must be of great ...
Página 24
... walls of the perigastric space , but on the external surface of the alimentary canal . I cannot , however , confirm their existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the ...
... walls of the perigastric space , but on the external surface of the alimentary canal . I cannot , however , confirm their existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the ...
Página 25
... walls ; it arises from the lophophore within the cavity of the epistome , and then passing obliquely across the cavity , is inserted into the inner surface of the oral wall of the epistome . Action : it elevates the epistome , and draws ...
... walls ; it arises from the lophophore within the cavity of the epistome , and then passing obliquely across the cavity , is inserted into the inner surface of the oral wall of the epistome . Action : it elevates the epistome , and draws ...
Página 26
... walls of the cell and the permanently invaginated portion of the endocyst , I am not by any means without doubts as to their being really muscular , and their action after all may be that of simple ligaments . From the study of ...
... walls of the cell and the permanently invaginated portion of the endocyst , I am not by any means without doubts as to their being really muscular , and their action after all may be that of simple ligaments . From the study of ...
Página 27
... walls of the stomach ; this has already been described in connection with the histology of the alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some ...
... walls of the stomach ; this has already been described in connection with the histology of the alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
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 Linnæus 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