A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 13
... nearly the entire corpuscle ( fig . 15 ) . The situation of these bodies in a tubular network in the substance of the endocyst is a fact of great interest . It is nearly certain that whatever may have been the origin of the corpuscles ...
... nearly the entire corpuscle ( fig . 15 ) . The situation of these bodies in a tubular network in the substance of the endocyst is a fact of great interest . It is nearly certain that whatever may have been the origin of the corpuscles ...
Página 16
... nearly cylindrical form ; but it is longer and wider than the cardiac cavity with which its axis is nearly continuous ; it terminates below in a rounded cul - de - sac ; to distinguish it from the other , I shall call it the pyloric ...
... nearly cylindrical form ; but it is longer and wider than the cardiac cavity with which its axis is nearly continuous ; it terminates below in a rounded cul - de - sac ; to distinguish it from the other , I shall call it the pyloric ...
Página 115
... nearly right angles from the wide part of the cell , one at each side of the tubular orifice , and are thus ( unless when the suppression of one of them takes place ) situated in pairs one opposite to the other , with the tubular ...
... nearly right angles from the wide part of the cell , one at each side of the tubular orifice , and are thus ( unless when the suppression of one of them takes place ) situated in pairs one opposite to the other , with the tubular ...
Otras ediciones - Ver todas
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 longitudinal 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