A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 28
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 sphincter , while the posterior fibres will check the complete ...
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 sphincter , while the posterior fibres will check the complete ...
Página 63
With the exception of the observations made by Trembley on his “ Polype à
Panache , ” when he described a complete alimentary canal and retractor
muscles , those by Baker , who gives an exceedingly correct account of the
digestive tube in ...
With the exception of the observations made by Trembley on his “ Polype à
Panache , ” when he described a complete alimentary canal and retractor
muscles , those by Baker , who gives an exceedingly correct account of the
digestive tube in ...
Página 113
... and its strikingly articulated cænæcium , formed of regular claviform cells , all
separated from one another by complete septa , together with several
peculiarities in its internal structure already described , remove it by a well -
marked interval ...
... and its strikingly articulated cænæcium , formed of regular claviform cells , all
separated from one another by complete septa , together with several
peculiarities in its internal structure already described , remove it by a well -
marked interval ...
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A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British canal cavity cell characters cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella crown described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organs orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman Volumen13 de DE-601)130488305: Ray Society Publications, Ray Society Ray Society, Ray Society Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
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