A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
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consist almost entirely of bodies exactly resembling the nuclei of the cells ; some
of these intercellular nuclei contain two nucleoli , and seem to be undergoing
division , while round others a young cell may be seen in various stages of ...
consist almost entirely of bodies exactly resembling the nuclei of the cells ; some
of these intercellular nuclei contain two nucleoli , and seem to be undergoing
division , while round others a young cell may be seen in various stages of ...
Página 36
It is the rudimental polypide , and we soon find in it a cavity , which is to become
that of the tentacular sheath , within which , when viewed in front , may be seen
an oval ring ( fig . 5 ) which is afterwards to become the lophophore of the
polypide ...
It is the rudimental polypide , and we soon find in it a cavity , which is to become
that of the tentacular sheath , within which , when viewed in front , may be seen
an oval ring ( fig . 5 ) which is afterwards to become the lophophore of the
polypide ...
Página 85
Some were seen to consist in a spherical transparent cell , with nearly colourless
granular contents , involving numerous minute spherical bodies , apparently
young cells ; these contents were aggregated on the inner surface of the wall ...
Some were seen to consist in a spherical transparent cell , with nearly colourless
granular contents , involving numerous minute spherical bodies , apparently
young cells ; these contents were aggregated on the inner surface of the wall ...
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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 character cilia closely complete condition connected consists constitutes contained continuous 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 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 Illinois en Urbana-Champaign |
| Digitalizado | 13 Oct. 2015 |
| Largo | 119 páginas |
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