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It is sensible then to restrict 'spongin' to collagenous structures which are peculiar
to sponges and to equate fibrillar collagen with comparable structures in other
organisms. The term spongin A should not be further used. 3.2.2 Spongin The ...
Patricia R. Bergquist, 1978
2
Invertebrates: Protozoa to Echinodermata
The skeletal system of sponges is formed by carbonate of lime or silica in the
form of needle like pieces or spicules or spongin fibres or combination of both.
The spicules may consist of calcareous or siliceous substances or spongin. 1.
3
Biological Materials of Marine Origin: Invertebrates
This finding suggested the presence of both spongin and chitin as scaffolding
materials responsible for the material properties of Verongida sponges. The
history of spongin's discovery and its chemical definition is very similar to those of
...
94). Finally, the whole skeleton appears to be made up of sand grains and similar
particles, between which the spongin can scarcely be made out. In fact, in many
of these so-called arenaceous sponges the presence of any spongin ...
Sir Edwin Ray Lankester, 1900
5
A Student's Text-book of Zoology
forms with no spongin and forms with no spicules in the spongin fibres (Ceratosa)
. Which is the primitive condition — if either is — it is impossible to say. The
Ceratosa are an artificial order, its families being related to different families of
the ...
Adam Sedgwick, Joseph Jackson Lister, Sir Arthur Everett Shipley, 1898
6
Chemical Zoology V2: Porifera, Coelenterata, And Platyhelminthes
fiber of spongin B is 10—50 ,u. wide and is formed by bundles of thin and
unbranched filaments less than 100 A. wide. Occasionally the B fibers showed an
axial period in the collagen range. Glucosamine, galactosamine, glucose,
galactose, ...
7
Evolution of Extracellular Matrix
determines organ shape and animal form, in association with the proteoglycan
perlecan (Pastor-Pareja and Xu 2011). 3.3.3 Spongin Short-Chain Collagens In
demosponges, basement membrane-like structures have not been identified,
while ...
Fred W. Keeley, Robert Mecham, 2013
8
Sponges of the New Caledonian Lagoon
Spongin fibres and filaments In several orders of sponges the mineral skeleton
has been lost completely, and for these groups fibre characteristics are important
in their classification. In other groups, where there is both spongin fibres and ...
9
Aspects of sponge biology
In this species, the cellular bundles must assume a supporting role, since
spongin is scarce. I believe the location and arrangement of the fiber cells and
connective tissue is diagnostic, probably at the species level. In S. rubens, S.
variabilis, ...
10
Modern Text Book of Zoology: Invertebrates
[II] Spongin 1. Structure. Spongin is an organic, horny, elastic substance,
resembling silk in chemical composition. Like nails, hair and feathers, it is a
scleroprotein containing sulphur and chemically related to collagen, a horny
protein.
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El tudja hinni, hogy most szivacsokat lát?
A szaruszivacsok (Demospongiae) vázát szilícium-dioxidból álló szivacstűk és sok esetben spongin építi fel. A spongin egy szálas fehérje, ami kizárólag erre az ... «Ma.hu, 二月 15»
Lowly Sponges Conceal Astounding Architecture
We know this because unlike other sponges whose skeletons are made of biodegradable protein called spongin(the source of the squishy bath sponges), the ... «Scientific American, 二月 15»
Why we need a lesson from the Victorians when it comes to …
Over yer, givin' nuffink, spongin' orf the state. Orta send 'em back. Good ole Nige.” Well Nige, I can offer you an immigrant who done good... Came here with ... «WalesOnline, 十二月 14»
Krönikan: Öster schack matt efter svart natt...
Efter 53 minuter lyfte Richard Spongin en frispark mot bortre ytan. Mittbacken Johannes Gustafssonnickade tillbaka bollen till Sasa Plavskicsom på volley drog in ... «Smålandsposten, 十一月 14»
Giz Explains: How Do Sponges Work?
Composed of a material called spongin, sea sponges have been harvested and dried for human industry for thousands of years. Specifically, two species ... «Gizmodo Australia, 九月 14»
Sponges: How Do They Work?
And, thanks to their spongin composition, which swells to prevent water from seeping back out of the sponge's pores until forcibly squeezed, this material is ideal ... «Gizmodo, 九月 14»
New Jersey Wildlife: Freshwater sponges, overlooked living water …
This gelatin-like material is held together by tiny, spine-like structures of calcium or silica called spicules and spongy organic fibers called spongin. To feed the ... «Hunterdon County Democrat, 六月 14»
