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释义
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Brachiopoda > [noun] > member of > parts of (7)
periosteum1758

Zoology. = periostracum, n. Obsolete.

periostracum1833

The outer horny or fibrous organic covering of the shell of a mollusc or brachiopod. Cf. epidermis, n. 2.

pallium1834

Zoology. The mantle of a mollusc or brachiopod (mantle, n. 8).

mantle cavity1853

the space enclosed between the mantle and the body of a mollusc, brachiopod, etc., containing respiratory organs.

adjustor1857

Zoology and Palaeontology. In a living or fossil brachiopod: any of several muscles which adjust the position of the valves of the shell (with…

jugum1888

Zoology. In certain brachiopods with hinged shells, a process of the dorsal valve.

protegulum1891

In brachiopods: the initial or embryonic form of the shell, or of each valve of the shell.

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