Nephridia
Nephridium Ne*phrid"i*um, n.; pl. {Nephridia}. [NL., fr. Gr. ? of the kidneys.] (Zo["o]l. & Anat.) A segmental tubule; one of the tubules of the primitive urinogenital organs; a segmental organ. See Illust. under {Loeven's larva}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • nephridia — dip·lo·nephridia; …   English syllables

  • nephridia — n. excretory organ in many invertebrates (Zoology) …   English contemporary dictionary

  • labial nephridia — (ARTHROPODA: Insecta) Tubules in the head of Collembola and Thysanura, whose terminal sac may play some excretory role …   Dictionary of invertebrate zoology

  • Velvet worm — Taxobox name = Onychophora fossil range = Cambrian – Recent image width = 250px image caption = Velvet worm regnum = Animalia phylum = Onychophora phylum authority = Grube, 1853 subdivision ranks = Extant families subdivision = Peripatidae… …   Wikipedia

  • Chelicerata — Temporal range: 445–0 Ma …   Wikipedia

  • Arthropod — Temporal range: 540–0 Ma …   Wikipedia

  • Onychophora — Temporal range: 40–0 Ma …   Wikipedia

  • Edwin Stephen Goodrich — (21 juin 1868, Weston super Mare 6 janvier 1946, Oxford), est un zoologiste anglais, spécialisé dans l anatomie comparée, l embryologie, la paléontologie et l évolution. Il a occupé la chaire Linacre de zoologie à l Université …   Wikipédia en Français

  • Mollusca — Temporal range: Cambrian–Recent …   Wikipedia

  • excretion — excretion1 /ik skree sheuhn/, n. 1. the act of excreting. 2. the substance excreted, as urine or sweat, or certain plant products. [1595 1605; < LL excretion (s. of excretio) that which is sifted out. See EXCRETE, ION] excretion2 /ik skree… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”