nephridium

[ nuh-frid-ee-uhm ]

noun

, Zoology.

, plural ne·phrid·i·a [n, uh, -, frid, -ee-, uh].

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.

nephridium

/ nɪˈfrɪdɪəm /

noun

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

Derived Forms

• neˈphridial, adjective

Other Words From

• ne·phridi·al adjective

Word History and Origins

Origin of nephridium¹

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

Word History and Origins

Origin of nephridium¹

C19: New Latin: little kidney

Example Sentences

Genital funnel. h, “Head kidney,” with second nephridium just below it. i, Intestine. l.m,

From Project Gutenberg

In the male there are a right and a left protrusible penis in every genital segment, into which opens the nephridium and a sperm-sac.

From Project Gutenberg

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