A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
Dentro del libro
Página 13
... already existing for their reception . It would follow from this that the presence of a reticulated system of tubes in the substance of the endocyst is the normal condition of this tunic , but from the delicacy of these tubes , and the ...
... already existing for their reception . It would follow from this that the presence of a reticulated system of tubes in the substance of the endocyst is the normal condition of this tunic , but from the delicacy of these tubes , and the ...
Página 18
... already been said , seems to perform some function distinct from that of the rest of the organ , seizes a portion of the alimentary mass , and retains it for a moment by an hour - glass restriction separate from the remainder , and then ...
... already been said , seems to perform some function distinct from that of the rest of the organ , seizes a portion of the alimentary mass , and retains it for a moment by an hour - glass restriction separate from the remainder , and then ...
Página 23
... already recorded ( page 13 ) , would seem to point to the existence of a system of tubes in the substance of the endocyst , which may afford the necessary channels of communication , or it may be that it is in simple transudation ...
... already recorded ( page 13 ) , would seem to point to the existence of a system of tubes in the substance of the endocyst , which may afford the necessary channels of communication , or it may be that it is in simple transudation ...
Página 27
... already been described in connection with the histology of the alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some important points from that of ...
... already been described in connection with the histology of the alimentary canal , and need not be further referred to here . b . Muscles of Paludicella . The muscular system of Paludicella differs in some important points from that of ...
Página 29
... already afforded a fixed line , on which it rolled outwards during eversion , This line constitutes the extreme limit of eversion , and that portion of the invaginated endocyst which lies between it and the mouth of the cell remains ...
... already afforded a fixed line , on which it rolled outwards during eversion , This line constitutes the extreme limit of eversion , and that portion of the invaginated endocyst which lies between it and the mouth of the cell remains ...
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 cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst 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 lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus 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 Zoophytes