nephridium

American  

[nuh-frid-ee-uhm] / nəˈfrɪd i əm /

noun

Zoology.

plural

nephridia

1. the excretory organ of many invertebrates, consisting of a tubule with one end opening into the body cavity and the other opening into a pore at the body surface.

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nephridium British  

/ nɪˈfrɪdɪəm /

noun

1. a simple excretory organ of many invertebrates, consisting of a tube through which waste products pass to the exterior

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Other Word Forms

• nephridial adjective

Etymology

Origin of nephridium

From New Latin, dating back to 1875–80; nephr-, -idium

Example Sentences

Male pore. n, Nephridium. o.m,

From Project Gutenberg

The connexion with the pericardium of the smaller of the two renal organs was demonstrated by Lankester in 1867, at a time when the fact that the renal organ of the Mollusca, as a rule, opens into the pericardium, and is therefore a typical nephridium, was not known.

From Project Gutenberg

Anterior superior lobe of the large nephridium. ks.l,

From Project Gutenberg

Near this and less advanced into the branchial chamber is the single renal organ or nephridium r with its opening to the exterior r′.

From Project Gutenberg

The typical character is retained by the heart, pericardium, and the communicating nephridium or renal organ in all Opisthobranchs.

From Project Gutenberg