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 12
... fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent ...
... fibres ( Pl . II , fig . 10 ) are also developed in the endocyst . These are situated on its inner surface , where they constitute a well - marked layer composed of a network of transverse and longitudinal fibres over the whole extent ...
Página 28
... fibres of the anterior parieto - vaginal muscles . The action of the anterior parieto - vaginal muscles assists in the invagination of the tube , and dilates it when completely retracted ; they thus act as antagonistic to the vaginal ...
... fibres of the anterior parieto - vaginal muscles . The action of the anterior parieto - vaginal muscles assists in the invagination of the tube , and dilates it when completely retracted ; they thus act as antagonistic to the vaginal ...
Página 30
... fibres , totally separate from one another through their entire course . The fibres of the great retractor muscle are distinctly marked with transverse striæ , a condition , however , which is not at all times equally perceptible ; and ...
... fibres , totally separate from one another through their entire course . The fibres of the great retractor muscle are distinctly marked with transverse striæ , a condition , however , which is not at all times equally perceptible ; and ...
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