Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A tubular excretory organ in many invertebrates, such as mollusks and earthworms.
- noun The excretory organ of a vertebrate embryo from which the kidney develops.
from The Century Dictionary.
- noun The sexual or renal organ of mollusks, corresponding to the kidneys of the vertebrates, having an excretory and depurative office; the so-called organ of Bojanus.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl. & Anat.) A segmental tubule; one of the tubules of the primitive urinogenital organs; a segmental organ. See
Illust. underloeven's larva .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology a
tubular excretory organ in someinvertebrates - noun anatomy the
embryonic excretory organ that develops into thekidney
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[nephr(o)– + Latin -idium, diminutive suff. (from Greek -idion).]
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Examples
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“Did you get out the nephridium?” he said as graciously as he could.
Love and Mr Lewisham Herbert George 2004
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He sat to the last moment doggedly struggling to keep cool and to mount the ciliated funnel of an earthworm's nephridium.
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"Did you get out the nephridium?" he said as graciously as he could.
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He sat to the last moment doggedly struggling to keep cool and to mount the ciliated funnel of an earthworm’s nephridium.
Love and Mr Lewisham Herbert George 2004
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