nephridium

[ nuh-frid-ee-uh m ]
/ nəˈfrɪd i əm /

noun, plural ne·phrid·i·a [nuh-frid-ee-uh] /nəˈfrɪd i ə/. Zoology.

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.

Origin of nephridium

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

OTHER WORDS FROM nephridium

ne·phrid·i·al, adjective

Words nearby nephridium

nephrectasis, nephrectomize, nephrectomy, nephrelcosis, nephric, nephridium, nephrite, nephritic, nephritic syndrome, nephritis, nephritogenic

Example sentences from the Web for nephridia

British Dictionary definitions for nephridia

nephridium
/ (nɪˈfrɪdɪəm) /

noun plural -ia (-ɪə)

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

Derived forms of nephridium

nephridial, adjective

Word Origin for nephridium

C19: New Latin: little kidney

Medical definitions for nephridia

nephridium
[ nə-frĭd′ē-əm ]

n. pl. ne•phrid•i•a (-ē-ə)

The embryonic excretory organ from which the kidney develops.