13.07.2015 Views

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 773radiate a. [L. radius, ray] Radially symmetrical; radiating.radiate veins (ARTHRO: Insecta) The anal veins.radicate v. [L. radicatus, rooted] (MOLL: Bivalvia) Becomingpermanently established by a root-like organ used for attachment.radicicolus see radicolousradicle n. [L. radix, root] (ARTHRO: Insecta) The base <strong>of</strong> thescape <strong>of</strong> the antenna. radicular a.radicola n.; pl. radicolae [L. radix, root; cola, dweller] (AR-THRO: Insecta) In Homoptera, the root-infesting phylloxerans;radicicola.radicolous a. [L. radix, root; cola, dweller] Inhabiting roots;radicicolus.radii see raysradiobiology n. [L. radius, ray; Gr. bios, life; logos, discourse]The study <strong>of</strong> the effects <strong>of</strong> radioactivity on living organisms.radiocarbon n. [L. radius, ray; carbo, coal] A radioactive isotope<strong>of</strong> carbon found naturally in the air and in organismsthat is used to date fossil and subfossil remains; also usedin physiological studies.radioecology n. [L. radius, ray; Gr. oikos, house; logos, discourse]Radiation ecology; study <strong>of</strong> effect and trophicpathways <strong>of</strong> radioisotopes in communities.radioisotopes n.pl. [L. radius, ray; Gr. isos, equal; topos,place] Unstable forms <strong>of</strong> elements that show radioactivity.radiole n. [L. dim. radius, ray] 1. (ANN: Polychaeta) Featherlikehead structures forming a crown, or modified into along stalked knob (operculum); functioning in filtering particlesfor food. 2. (ECHINOD: Echinoidea) The spine <strong>of</strong> seaurchins.radiomimetic a. [L. radius, ray; Gr. mimos, mime] Chemicalagents causing effects similar to ionizing radiation in livingsystems.radioresistant a. [L. radius, ray; re-, back; stare, to stand]Organisms or tissues resistant to damage by radiation.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!