A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 |
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Página 16
The cavity in its interior communicates through an opening (e) in the lophophore
with the perigastric space; the walls which are turned towards the mouth are thick
, and densely clothed on their external surface with vibratile cilia, while those ...
The cavity in its interior communicates through an opening (e) in the lophophore
with the perigastric space; the walls which are turned towards the mouth are thick
, and densely clothed on their external surface with vibratile cilia, while those ...
Página 17
The intestine is very wide at its origin, and passes up along the side of the
cardiac cavity and oesophagus, rapidly diminishing in diameter till it terminates in
a distinct anus by perforating the tentacular sheath just below the mouth, and at
the ...
The intestine is very wide at its origin, and passes up along the side of the
cardiac cavity and oesophagus, rapidly diminishing in diameter till it terminates in
a distinct anus by perforating the tentacular sheath just below the mouth, and at
the ...
Página 53
As in the Ascidians so also here does the first trace of special organs show itself
in the formation of an internal closed cavity, the primary sketch of the branchial
cham. ber. From the walls of this cavity the rod-like gill is then separated, leaving
...
As in the Ascidians so also here does the first trace of special organs show itself
in the formation of an internal closed cavity, the primary sketch of the branchial
cham. ber. From the walls of this cavity the rod-like gill is then separated, leaving
...
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A Monograph of the Fresh-water Polyzoa: Including All the Known Species ... 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 - 2016 |
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 coenoecium crescentic Cristatella Cristatella mucedo d'eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid Flustrae fresh-water Polyzoa funiculus ganglion gemmae genera genus Gervais Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed oesophagus organ orifice Original figures ovary ovum Pallas 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 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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Volumen28 A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, George James Allman 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 |
| Exportar cita | BiBTeX EndNote RefMan |