Spherular cell see spherule cell

spherulate a. [Gr. dim. sphaira, ball] Having one or more rows of minute tubercles.

spherule cell (ARTHRO: Insecta) Hemocytes, varying in shape, that possess few to many, acidophilic inclusions, that may fill the whole cell. see spherulocyte.

spherulocyte n. [Gr. dim. sphaira, ball; kytos, hollow] (ARTHRO: Insecta) Ovoid or round hemocytes, variable in size, containing spherules reported to contain neutral or acid mucopolysaccharide, glyco-mucroproteins, lipochrome, trosinase and sulfated sialomucin. see spherule cell.

spherulous cell (PORIF) Cells with multiple, large vesicles containing coarse granular material.

sphincter n. [Gr. sphinkter, binder] Any ring-like muscle that contracts, constricts, or closes an orifice.

sphingiform larva (ARTHRO: Insecta) A larva with a cylindrical body with short or no setae, and a mediodorsal horn or button on the 8th abdominal segment.

sphragis n. [Gr. spragis, seal] (ARTHRO: Insecta) In some Lepidoptera, a structure formed by male glandular secretions or actual male genital parts remaining in the female after insemination that inhibits subsequent copulations of the female; spermatophragma; mating plug.

spicate a. [L. spica, spike] Spike-shaped; possessing spikes.

spiciform a. [L. spica, spike; forma, form] Spike-shaped, as some setae.

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