tylostyle

tylostyle

[′tī·lə‚stīl]
(invertebrate zoology)
A uniradiate spicule in Porifera with a point at one end and a knob at the other end.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In the absence of Mn-sulfate, two characteristic monaxonal spicules form: first, the oxeas with pointed tips at both ends; and second, more abundantly, tylostyles, which feature a knob at one end and a pointed tip at the other end (Arndt et al., 1935).
They include most of the longer examples listed by Bostick *: Both Vs short GANNGENN (AE) LANGLING * (AI) MALLEMOLLE (AO) RENTRANT * (EA) WELLWILL (EI) TERYTORY (EO) SHIFFLESHUFFLE * (IU) KONGKANG (OA) LOSSLESS (OE) QUODQUID (OI) MUSTERMASTER * (UA) FULLFILL (UI) First V short--Second V long CALICULI (AU) MOZEMIZE (OI) First V long--Second V short SAMESOME * w2 (AO) HINDHAND * (IA) POSTPAST (OA) TYLOSTYLUS (OU) BUTALBITAL st (UI) Both Vs long LAKELIKE *-- SOLESALE (OA) ROPERIPE * (OI) (AI) First V long--Second V silent TYLOSTYLES (OE)
Examples include the pluralised nouns FORESHORES, HANDSTANDS, HARUMSCARUMS, HELTERSKELTERS, HOTSPOTS, NICKSTICKS, PERISPERMS, POOPERSCOOPERS, POROSPORES (st), POTSHOTS, RICKSTICKS, TYLOSTYLES, and the verb OVERHOVERS.
ignis by subtle differences in the field, and by smaller spicules and tylostyles rather than styles, represented a different species, he opted to provide a new name (T.