chitin
几丁质
translation of 'chitin'
noun
壳质,
几丁质
example
Chitinases are hydrolytic enzymes that catalyze the degradation of 'chitin' , a major component of fungal cell walls.
Arthropods have a stiff cuticle made largely of 'chitin' and proteins, forming an exoskeleton that may or may not be further stiffened with calcium carbonate.
Despite their obvious differences, both mollusc shells and arthropod cuticle contain 'chitin' .
There are a few other animal carbohydrates, notably 'chitin' , the substance which constitutes the hard outer casing of insects and crustaceans.
Finally, like other fungi, chytrids have 'chitin' strengthening their cell walls, and one subgroup have cellulose as well, a trait unique among living fungi.
They are the earliest well-known complex three-dimensional trace fossils; mostly small, 'chitinous' , calcareous, and phosphatic elements of problematic affinity.
A 'chitinous' exoskeleton is not rigid enough to support a mass of that size.
But this time… ‘Dancer held up her elongated forearms, staring at her pale, 'chitinous' claws.’
Eurypterid cuticle was 'chitinous' and of varying thickness, but generally very thin, and preserved specimens (which were probably mostly molted skins) are usually crushed.
In addition, examination of the 'chitinous' cuticle that covers the surface of the infundibulum reveals a remarkable array of tiny pegs or ‘denticles’.
Credits: Google Translate
