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词汇 sclerite
释义 BETA

Examples of sclerite


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The most important criteria were the length of the central hooks and the shape of clamp sclerites.
Inside each clamp, there are two sliding plates (fig. 4d) which, by their movements, acting on sclerites, open or close the clamp.
However, new silicified material is revealing significant character variation in other sclerites (pygidia and librigenae).
Many specimens are incomplete, and this, together with their co-occurrence with fragmentary trilobites, spicules of sponges, sclerites of chancelloriids and other shelly organisms, suggests transportation.
The present report is, to the author's knowledge, only the second ultrastructural report of the presence of sclerites within the monogenean epidermis.
Note the presence of the electron-dense granules, mitochondria (m) and ribosomes associated beneath the sclerite.
The latter are quite coarsely silicified with abundant sclerites.
Critical evaluation of these assignments is hindered by the limited information available for other sclerites.
In contrast, however, epidermal sclerites are present in other classes of platyhelminths.
Note the presence of ribosomes (r) beneath the sclerite.
These larvae seemed dark greyish green, with the head, thoracic legs, thoracic and caudal sclerites black and black areas at the bases of the setae.
The sclerites vary greatly in size, however, suggesting poor sorting and that the fauna represents an autochthonous fossil assemblage of moulted exuviae.
The scale-like sclerites in the midbody region are usually larger than the ones found in the anterior region and often have numerous irregularly shaped membrane-bound vesicles associated with them.
In some cases, the central dorsal cuticle near the tip of the basal segment buckled inward as the sclerites came together, presumably as a result of this contraction.
Generally o distorted in mudstones, these trilobites are better preserved in calcilutites where they occur silicified in the form of disarticulated sclerites densely filling body chambers of large cephalopod shells.
R4 clamp showing deformed sclerites.


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