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> 411shell surface determined by former positions <strong>of</strong> the outerlip which show slowed or stopped growth. see growthlines.growth squamae (MOLL: Bivalvia) Scaly extensions <strong>of</strong> theshell surface parallel to the growth lines.growth stage The intermitotic growth stage <strong>of</strong> a cell; restingstage; resting cell.growth thread (MOLL: Bivalvia) A threadlike growth line.growth welt (MOLL: Bivalvia) An elongate shell elevation parallelto the growth lines.grub n. [ME. grubben, dig] (ARTHRO: Insecta) A legless larva;certain U- or C-shaped larvae generally found among theColeoptera and Hymenoptera.gryphaeate a. (MOLL: Bivalvia) Shell with left valve stronglyconvex with its dorsal part incurved and the right valve flat,as in the genus Gryphea ; gryphaeiform; gryph-shaped.guanine n. [Ab.Am. huanu, dung] A purine base present inDNA and RNA, found in fish scales, animals, plants and excreta.gubernaculum n.; pl. -la [L. dim. gubernare, to guide] 1.(CNID: Hydrozoa) Hydroida, protoplasmic strands connectingthe blastostyle and internal marsupium to the gonothecalwall; possibly functioning in nutrition or as a device forkeeping the internal marsupium in position. 2. (NEMATA) Asclerotized trough-shaped structure <strong>of</strong> the dorsal wall <strong>of</strong>the spicular pouch, near the distal portion <strong>of</strong> the spicules;functions for reinforcement <strong>of</strong> the dorsal wall. a. Retractorgubernaculi muscles extend from the gubernaculum to thedorsal or lateral body wall. b. Seductor gubernaculi musclesextend from the lateral walls <strong>of</strong> the body to the gubernaculum.guest n. [A.S. gaest] Animal living within the nest or den <strong>of</strong>others; a social symbiont.gula n. [L. gula, gullet] 1. (ARTHRO: Diplopoda) The reducedsternite <strong>of</strong> the first trunk segment forming the posteriorpart <strong>of</strong> the gnathochilarium; the hypostoma. 2. (ARTHRO:Insecta) A median ventral plate <strong>of</strong> the head, extendingfrom the submentum to the posterior tentorial pits; gular

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

Saved successfully!

Ooh no, something went wrong!