Periostracum - Wikipedia
网页The periostracum (/ ˌ p ɛr i ˈ ɒ s t r ə k əm / PERR-ee-OS-trə-kəm) is a thin, organic coating (or "skin") that is the outermost layer of the shell of many shelled animals, including molluscs and brachiopods.
Periostracum - 维基百科，自由的百科全书
网页Periostracum. Periostracum 是一個生物學的專有名詞，由 perio- 和 stracum 兩部分組成，但在不同物種代表着不同的意思。. 這包括下列幾個可能：. 在軟體動物包圍着外殼的 外殼膜；. 蟬在蛻變後脫下的外殼，也就是中藥材之下的 蟬脫；. 腹膜。. 分类： . 非中文名称消 ...
Periostracum | shell structure | Britannica
网页The periostracum, the outermost organic layer, is secreted by the inner surface of the outer mantle fold at the mantle margin. It is a substrate upon which calcium carbonate can be deposited by the outer surface of the outer mantle fold.
软体动物主要特征 - 华南师范大学生命科学学院
网页贝壳一般可分为 3 层 ：（1） 角质层 （periostracum）， 为最外层，很薄，透明，有光泽，由壳基质构成，不受酸碱的侵蚀，可保护贝壳。 （2） 壳层 （ostracum），又称 棱柱层（primatic layer），为中间层，占贝壳的大部分，由角状的方解石（cacalcite）构成。 （3） 壳底 （hypostracum）， 即珍珠质层（peral...
Periostracum - 维基百科，自由的百科全书 - zh.wikipedia.org
网页Periostracum是一个生物学的专有名词，由 perio-和 stracum 两部分组成，但在不同物种代表着不同的意思。这包括下列几个可能： 在软体动物包围着外壳的外壳膜； 蝉在蜕变后脱下的外壳，也就是中药材之下的蝉脱； 腹膜。
Structure and function of the periostracum in the bivalve
网页2023年6月1日 · The periostracum is an outermost coating of all shelled-molluscs such as bivalves, corresponding to the interfacial layer separating the calcareous shells from the environment. It therefore plays a key role in the growth and survival of bivalves.
Investigation on mussel periostracum, a viscoelastic-to-poro-gel …
网页2024年4月26日 · This report explores natural connective tissue, called periostracum, which is perfectly bridged between biological tissue and inorganic nonliving shell with high durability for long-lasting...
The Mode of Formation and the Structure of the Periostracum
网页1983年1月1日 · The molluscan shell is covered externally by a thin, pliable, fibrous layer called the periostracum. This layer is thought to protect the shell and to serve as a matrix for the deposition of calcium carbonate crystals. New periostracum is extruded from the mantle edge and is subsequently insolubilized, hardened, and darkened.
Microstructure Analysis and Chemical and Mechanical …
网页2020年10月10日 · The periostracum is the protein-containing outermost protective layer and partly mineralized organic layer, secreted from the mantle groove involved in molluscan shell formation. Emerging from the mantle edge, the periostracum forms a thin insoluble covering outside the shell surface, which slowly thickens at a …
Structure and function of the periostracum in the bivalve
网页The periostracum is an outermost coating of all shelled-molluscs such as bivalves, corresponding to the interfacial layer separating the calcareous shells from the environment. It therefore plays a key role in the growth and survival of bivalves.
跳至内容