A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Resultados 6-10 de 25
Página 18
... alimentary canal in structure and function ; the well - defined longitudinal rugæ and deep brown colour of the internal layer of the stomach nearly disappear in it , and , during the process of digestion , we may perceive that the ...
... alimentary canal in structure and function ; the well - defined longitudinal rugæ and deep brown colour of the internal layer of the stomach nearly disappear in it , and , during the process of digestion , we may perceive that the ...
Página 23
... 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 importance in 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 importance in the ...
Página 24
... alimentary canal . I cannot , however , confirm their existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the alimen- tary canal ; and I cannot help thinking that this statement of ...
... alimentary canal . I cannot , however , confirm their existence in the latter situation ; indeed , my own observations are entirely opposed to their presence on the alimen- tary canal ; and I cannot help thinking that this statement of ...
Página 27
... alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some important points from that of the species with bilateral lophophores . The muscles may here be ...
... alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some important points from that of the species with bilateral lophophores . The muscles may here be ...
Página 34
... alimentary canal , represented at first by a single small cavity , hollowed out in the body of the polypide , is undergoing development , and œsophagus , stomach , and intestine begin to be distinguishable . The great retractor muscles ...
... alimentary canal , represented at first by a single small cavity , hollowed out in the body of the polypide , is undergoing development , and œsophagus , stomach , and intestine begin to be distinguishable . The great retractor muscles ...
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