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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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842Maggenti and Gardnercontaining spherules reported to contain neutral or acidmucopolysaccharide, glyco-mucroproteins, lipochrome,trosinase and sulfated sialomucin. see spherule cell.spherulous cell (PORIF) Cells with multiple, large vesiclescontaining coarse granular material.sphincter n. [Gr. sphinkter, binder] Any ring-like muscle thatcontracts, constricts, or closes an orifice.sphingiform larva (ARTHRO: Insecta) A larva with a cylindricalbody with short or no setae, and a mediodorsal horn orbutton on the 8th abdominal segment.sphragis n. [Gr. spragis, seal] (ARTHRO: Insecta) In someLepidoptera, a structure formed by male glandular secretionsor actual male genital parts remaining in the femaleafter insemination that inhibits subsequent copulations <strong>of</strong>the female; spermatophragma; mating plug.spicate a. [L. spica, spike] Spike-shaped; possessing spikes.spiciform a. [L. spica, spike; forma, form] Spike-shaped, assome setae.spicula pl. <strong>of</strong> spiculumspicular sheath (NEMATA) A conical or tubular extension <strong>of</strong> thecuticle distally sheathing the spicules beyond the body pr<strong>of</strong>ile.spicular muscles (NEMATA) Muscles for the protraction andretraction <strong>of</strong> the spicules.spicular pouch (NEMATA) A cuticular lined pouch that containsthe spicules and is formed from the spicular primordia.spicule n. [L. spicula, small spike] 1. Any minute pointed spineor process. 2. (MOLL: Polyplacorphora) The dorsal girdledecorations <strong>of</strong> various size, shape and frequency. 3.(NEMATA) Blade-like, sclerotized male copulatory organs,usually paired, located immediately dorsad to the cloaca. 4.(PORIF) An element <strong>of</strong> the sponge skeleton, composedmainly <strong>of</strong> silica or calcium carbonate, and rarely spongin.spicule hair (ARTHRO: Insecta) In Lepidoptera, irritative hairusually formed by one or more trichogen cells; size, shape,internal cell components, and body arrangement are variable.see spine hairs.

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