Philosophical Transactions of the Royal Society of London, Volume 174,Deel 3W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1884 |
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Pagina 704
... substance are seen imbedded the long spicules . Fig . 3. Transverse section through a polyp of Calogorgia pulmosa . The lumen of the stomodæum is seen to be T - shaped in section , the cross portion of the T forming the siphonoglyphe is ...
... substance are seen imbedded the long spicules . Fig . 3. Transverse section through a polyp of Calogorgia pulmosa . The lumen of the stomodæum is seen to be T - shaped in section , the cross portion of the T forming the siphonoglyphe is ...
Pagina 705
... substance of the sarcosoma . Fig . 9. Transverse section through the stomodæum of a siphonozooid of Renilla . The siphonoglyphe has not a very great extent , but is armed with enormously long cilia , which extend across the lumen of the ...
... substance of the sarcosoma . Fig . 9. Transverse section through the stomodæum of a siphonozooid of Renilla . The siphonoglyphe has not a very great extent , but is armed with enormously long cilia , which extend across the lumen of the ...
Pagina 729
... substance of the vitellus is densely packed with deutoplasm granules , which upon rupture of the egg appear as clear yellowish spherules . Polar cells were never observed . It will be convenient to describe first those changes which are ...
... substance of the vitellus is densely packed with deutoplasm granules , which upon rupture of the egg appear as clear yellowish spherules . Polar cells were never observed . It will be convenient to describe first those changes which are ...
Pagina 735
... substance ; and this division can only be in a plane parallel with the surface - in other words , it must be a delamination cleavage . The delamination in Renilla , as we shall see , takes place when the embryo consists of sixteen ...
... substance ; and this division can only be in a plane parallel with the surface - in other words , it must be a delamination cleavage . The delamination in Renilla , as we shall see , takes place when the embryo consists of sixteen ...
Pagina 736
... substance , which stains intensely . No protoplasmic reticulum can be seen , and if present its meshes must be of exceeding fineness so as to produce the appearance of a fine granulation . The germinal spot is of a rounded form and lies ...
... substance , which stains intensely . No protoplasmic reticulum can be seen , and if present its meshes must be of exceeding fineness so as to produce the appearance of a fine granulation . The germinal spot is of a rounded form and lies ...
Overige edities - Alles bekijken
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Veelvoorkomende woorden en zinsdelen
Alcyonaria appearance axial polyp axis basals become bilateral body buds calyx-teeth Carbonic acid carcass cavity cell-wall Chlor cilia citron band cleavage colony colour condenser connexion critical velocity deutoplasm diameter dorsal earth eddies embryo endosperm entire animal entoderm cells experiments fluid gauge granular HOFMANN's blue interradial iodine KÖLLIKER lamella larva larvæ lateral layer lime live-weight longitudinal MDCCCLXXXIII mesenterial mesenterial filaments methyl violet middle lamella nuclei observed oesophagus offal oxalate peduncular septum Pennatulacea phosphoric acid picric acid pigs pipes pit membrane plasmolysis Plate 70 portion potash precipitate protoplasm pulvinus Pure ash quantity radials radiant matter tube reagent Renilla Reteocrinus segmentation separated septa sexual polyps shown in fig side siphonoglyphe solution specimen spectrum spheres spicules stage stained stomodæum structure substance sulphate sulphuric acid supporting lamella temperature tentacles terbia tissue Trace Trace Trace Transverse section ventral chamber vitellus wall yttria yttrium Zinc Iod zooids