A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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Página 21
This is a large sac which lies in the bottom of the cell ; close to the pyloric orifice it
becomes much constricted , and this constricted portion passes into the intestine
whose origin is nearly on a level with the cardiac orifice , but separated from it ...
This is a large sac which lies in the bottom of the cell ; close to the pyloric orifice it
becomes much constricted , and this constricted portion passes into the intestine
whose origin is nearly on a level with the cardiac orifice , but separated from it ...
Página 26
From this origin they pass transversely inwards , and are inserted into the
opposed surface of the invaginated ... 6 , u ) surrounding the termination of the
invaginated endocyst at the point where the latter passes into the tentacular
sheath .
From this origin they pass transversely inwards , and are inserted into the
opposed surface of the invaginated ... 6 , u ) surrounding the termination of the
invaginated endocyst at the point where the latter passes into the tentacular
sheath .
Página 56
On the rectal side of the animal may be seen passing from behind forwards , and
in close relation with the intestine , a very ... From this the blood passes into all
the tentacles , and may be seen as a continuous stream flowing towards their ...
On the rectal side of the animal may be seen passing from behind forwards , and
in close relation with the intestine , a very ... From this the blood passes into all
the tentacles , and may be seen as a continuous stream flowing towards their ...
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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 admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British 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 Hist 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 similar 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 |
| Exportar cita | BiBTeX EndNote RefMan |