Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 135blotch n. [OF. block, a clod of earth] A large irregular spot ormarking.blunt v. [uncertain origin] To dull; to neutralize or dilute.boat-shaped see navicular, scaphoidbody n. [A.S. bodig, body] 1. The physical structure of an organism.2. The main part of an organism as compared toits limbs or appendages. 3. The trunk. 4. The corpus.body cavity The principal cavity between the body wall andinternal organs of an organism: coelom, pseudocoelom orhemocoelom.body of Giardini see chromatin bodybody ring (ARTHRO: Crustacea) In Notostraca, the combinedtergite and sternite of a single somite, with or without legs.body somite (ARTHRO: Crustacea) A unit division comprisingthorax and abdomen. see cephalic somite.body valve see intermediate valvebody wall 1. The integument, the outer layer of many invertebrates,comprising the epidermis (hypodermis) and the cuticle.2. (BRYO) The wall enclosing the body cavity of a colonyand its parts. 3. (ECHI) The dermal, glandular, muscularand epithelial tissues that make up the wall of thetrunk.body whorl see last whorlbolsters n.pl. [A.S. bolster, support] (MOLL) A pair of supportsand muscle attachments for the radula.bolus n. [Gr. bolos, lump] Any rounded mass, such as collectedor chewed food.bombifrons n.pl. [F. bombe, convex; L. frons, forehead] (AR-THRO: Insecta) A rounded, blister-like protuberance on theforward part of the head.bombous a. [F. bombe, convex] A curved or rounded surface;blister-like.bombycic acid (ARTHRO: Insecta) An acid utilized by certainmoths to dissolve the gum binding the silk threads of thecocoon at imago emergence.bombycinous a. [Gr. bombycinus, silken] Of silk, or pale yel-