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 21
... passes into the 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 ...
... passes into the 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 ...
Página 26
... pass transversely inwards , and are inserted into the opposed surface of the invaginated endocyst . Their action will ... passes into the tentacular sheath . Though a contraction of the endocyst at this spot , as if occasioned by the ...
... pass transversely inwards , and are inserted into the opposed surface of the invaginated endocyst . Their action will ... passes into the tentacular sheath . Though a contraction of the endocyst at this spot , as if occasioned by the ...
Página 56
... passing from behind forwards , and in close relation with the intestine , a very distinct pulsating vessel , which carries a stream of red corpusculated blood into the cavity of the crescentic disc . From this the blood passes into all ...
... passing from behind forwards , and in close relation with the intestine , a very distinct pulsating vessel , which carries a stream of red corpusculated blood into the cavity of the crescentic disc . From this the blood passes into all ...
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