| 释义 |
choanoderm, n. Zool.
Brit. |ˈkəʊənə(ʊ)ˌdəːm|, U.S. |ˈkoʊənoʊˌdərm|
[‹ choano- comb. form + -derm comb. form.]
The layer of choanocytes lining the chamber or chambers of a sponge.
1961Q. Jrnl. Microsc. Sci. 102545 The recoil of the ruptured choanoderm indicates that the choanocytes were under tension in the expanded oscular tube from which the piece was derived. 1998L. Margulis & K. V. Schwartz Five Kingdoms (ed. 3) iii. 214/1 Some biologists propose a unique phylum for glass sponges because of their unique features, such as the syncytial outer net and syncytial choanoderm (flagellated collar cells) layers. 2001Jrnl. Biotechnol. 92 169 Flagellated choanocytes organised in choanocyte chambers (choanoderm) are the ‘filtering units’, removing food particles from the water these cells pump through the pores. |