A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-5 de 21
Página 12
... transverse and longitudinal fibres over the whole extent of the endocyst . I have even succeeded in separating this network as a continuous layer . There can be no doubt that these fibres of the endocyst are muscular , and that it is to ...
... transverse and longitudinal fibres over the whole extent of the endocyst . I have even succeeded in separating this network as a continuous layer . There can be no doubt that these fibres of the endocyst are muscular , and that it is to ...
Página 14
... transverse septa exist between the cells . They are formed both by the ectocyst and endocyst . In Paludicella they ... transversely from the ectocyst into the interior of the cell , with a covering of endocyst on its upper and under ...
... transverse septa exist between the cells . They are formed both by the ectocyst and endocyst . In Paludicella they ... transversely from the ectocyst into the interior of the cell , with a covering of endocyst on its upper and under ...
Página 26
... transversely inwards , and are inserted into the opposed surface of the invaginated endocyst . Their action will dilate the invaginated endocyst , and assist in keeping it permanently inverted . ( 6. ) Posterior Parieto - vaginal ...
... transversely inwards , and are inserted into the opposed surface of the invaginated endocyst . Their action will dilate the invaginated endocyst , and assist in keeping it permanently inverted . ( 6. ) Posterior Parieto - vaginal ...
Página 27
... transverse direction round the cell . These may be designated by the name of parietal muscles . They may generally be seen very distinctly towards the anterior extremity of the cell , but it is not always easy to determine how far ...
... transverse direction round the cell . These may be designated by the name of parietal muscles . They may generally be seen very distinctly towards the anterior extremity of the cell , but it is not always easy to determine how far ...
Página 28
... transversely round the invaginated tunic . I have not suc- ceeded in dividing it into an inferior and superior set , as described by Mr. Hancock . Its action closes the invaginated endocyst after the retraction of the polypide . ( 5 ...
... transversely round the invaginated tunic . I have not suc- ceeded in dividing it into an inferior and superior set , as described by Mr. Hancock . Its action closes the invaginated endocyst after the retraction of the polypide . ( 5 ...
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 crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst Ehrenbergi 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 oesophagus 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