A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-3 de 26
Página 16
... organ by the name of epistome . On its true function I am unable to throw any light ; though it is here described in connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly ...
... organ by the name of epistome . On its true function I am unable to throw any light ; though it is here described in connection with the organs of digestion , its relation to the digestive system is perhaps very remote . It may possibly ...
Página 42
... organs of digestion especially hold a dominant position , and which we may regard as sexual or non - sexual , according to the view we take of the relation between it and the testis , as will presently be seen . Now , if the formation ...
... organs of digestion especially hold a dominant position , and which we may regard as sexual or non - sexual , according to the view we take of the relation between it and the testis , as will presently be seen . Now , if the formation ...
Página 46
... organ , the key is at once afforded by the Tunicata . The epistome is plainly homologous with the tongue- like organs , the " languets " of Milne - Edwards , which are attached along the branchial sinus in Clavelina , and certain other ...
... organ , the key is at once afforded by the Tunicata . The epistome is plainly homologous with the tongue- like organs , the " languets " of Milne - Edwards , which are attached along the branchial sinus in Clavelina , and certain other ...
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