- diactinal
- di·ac·ti·nal
English syllables. 2014.
English syllables. 2014.
diactinal — adj. [Gr. dis, twice; aktis, ray] Being pointed at both ends … Dictionary of invertebrate zoology
diactinal — … Useful english dictionary
diactinal monaxon — (PORIFERA) A monaxon that develops by growing in both directions, while originating from a central point; diactine; rhabdus … Dictionary of invertebrate zoology
Sponge spicule — Sponge spicules Spicules are structural elements found in most sponges. They provide structural support and deter predators. Large spicules, visible to the naked eye are referred to as megascleres, while smaller, microscopic ones are termed… … Wikipedia
anisochela — n. [Gr. anisos, unequal; chele, claw] 1. (ARTHROPODA) A chela with two unlike parts. 2. (PORIFERA) A diactinal microsclere with unlike, recurved hooks, plates or flukes at each end; see isochela … Dictionary of invertebrate zoology
biradiate — adj. [L. bis, two; radiatus, rayed] Having two rays or spokes; see diactinal, diaxon … Dictionary of invertebrate zoology
centrotylote — adj. [Gr. kentron, center; tylos, knob] (PORIFERA) In diactinal monoaxons, having the knob near the middle of the shaft of a spicule … Dictionary of invertebrate zoology
cladotylote — adj. [Gr. klados, branch; tylos, knob] (PORIFERA) In diactinal monaxons, a tylote having somewhat recurved clads at each end … Dictionary of invertebrate zoology
diactine — see diactinal monaxon … Dictionary of invertebrate zoology
isochela — n. [Gr. isos, equal; chele, claw] 1. A chela with two like parts. 2. (PORIFERA) A diactinal microsclere with like recurved hooks, plates, flukes or anchor shaped at each end; see anisochela … Dictionary of invertebrate zoology