A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
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Página 5
He traced the entire course of the alimentary canal , and made himself master of almost every important point in their structure . He also perceived their close relation to the compound Ascidiæ , and was the first to designate them by a ...
He traced the entire course of the alimentary canal , and made himself master of almost every important point in their structure . He also perceived their close relation to the compound Ascidiæ , and was the first to designate them by a ...
Página 7
Alimentary canal . c . Anus . d . Nervous ganglion . e . Membranous investing sac . f . Testis . f ' . Ovary . g . Retractor muscle . Let us imagine an alimentary canal , consisting of esophagus , stomach , and intestine , to be ...
Alimentary canal . c . Anus . d . Nervous ganglion . e . Membranous investing sac . f . Testis . f ' . Ovary . g . Retractor muscle . Let us imagine an alimentary canal , consisting of esophagus , stomach , and intestine , to be ...
Página 8
The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now enumerated are such as I believe the nature of the subject strictly requires . I employed most of them in my ...
The Perigastric ** space is the space included between the walls of the endocyst and the alimentary canal . The terms now enumerated are such as I believe the nature of the subject strictly requires . I employed most of them in my ...
Página 10
Phylactolæmata ( from pulaoow , to guard , and larua , the gullet , in allusion to the epistome placed at the entrance of the alimentary canal ) corresponds in part with the Hippocrepia of Gervais . The Hippocrepia of the French ...
Phylactolæmata ( from pulaoow , to guard , and larua , the gullet , in allusion to the epistome placed at the entrance of the alimentary canal ) corresponds in part with the Hippocrepia of Gervais . The Hippocrepia of the French ...
Página 17
The histological structure of the alimentary tube in both the phylactolæmatous and gymnolæmatous forms is somewhat complex . It may , however , be easily enough made out in the different genera . Wherever I have had a good opportunity ...
The histological structure of the alimentary tube in both the phylactolæmatous and gymnolæmatous forms is somewhat complex . It may , however , be easily enough made out in the different genera . Wherever I have had a good opportunity ...
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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 admit Alcyonella alimentary alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium canal cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella 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 structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young