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The Nautilus Siphuncle as an Ion Pump
|Title:||The Nautilus Siphuncle as an Ion Pump|
|Authors:||Mangum, Charlotte P.|
Towle, David W.
|Issue Date:||Jul 1982|
|Publisher:||University of Hawai'i Press|
|Citation:||Mangum CP, Towle DW. 1982. The Nautilus siphuncle as an ion pump. Pac Sci 36(3): 273-282.|
|Abstract:||The siphuncle, which is believed to empty the newly formed
chambers of the shell by a process involving the active transport of NaCl, has the
metabolic, enzymatic, and morphological features of a transporting epithelium.
It is capable of removing monovalent ions from solutions containing only Na+
and no Cl- or divalent ions, or only Cl- and no Na+ or divalent ions, indicating
no obligatory coupling. The Na+ and Cl- are removed from native cameral fluid
at approximately the same ratio. The levels of K + and the divalent ions are also
lowered, but at slightly different rates. Neither H+ nor NH1 accumulate in
cameral fluid to an appreciable extent.
|Appears in Collections:||Pacific Science Volume 36, Number 3, 1982|
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