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 18
... œsophagus are in all the genera clothed with vibratile cilia , but I could detect no appearance of cilia further than a short distance down this tube . The structure of the intestine closely resembles that of the œsophagus ; vibratile ...
... œsophagus are in all the genera clothed with vibratile cilia , but I could detect no appearance of cilia further than a short distance down this tube . The structure of the intestine closely resembles that of the œsophagus ; vibratile ...
Página 31
... œsophagus just behind the mouth ; it is probably distributed to this tube , and to the mouth and epistome , but I have not succeeded in detecting anything like a nervous collar surrounding the œsophagus at this place . There is no other ...
... œsophagus just behind the mouth ; it is probably distributed to this tube , and to the mouth and epistome , but I have not succeeded in detecting anything like a nervous collar surrounding the œsophagus at this place . There is no other ...
Página 56
... oesophagus , and is formed by the union of two branches , one from each arm of the crescent , which embrace the œsophagus just behind the mouth . Through this vessel the blood flows backwards in a continuous stream . The great afferent ...
... oesophagus , and is formed by the union of two branches , one from each arm of the crescent , which embrace the œsophagus just behind the mouth . Through this vessel the blood flows backwards in a continuous stream . The great afferent ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... George James Allman Vista de fragmentos - 1856 |
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 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 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