spermary, spermarium n. [Gr. sperma, seed] The male gonad, in which the sperm cells are produced.
spermatangium n. [Gr. sperma, seed; angon, jar] (MOLL: Cephalopoda) Evaginated spermatophores ready to release sperm; sperm sacs; sperm bladders; sperm bulbs.
spermateleosis n. [Gr. sperma, seed; teleiosis, completion] Spermiogenesis.
spermatheca n.; pl. -ae [Gr. sperma, seed; theke, case] A saccate genital structure in female invertebrates in which sperm from the male is received and may or may not be stored; seminal receptacle; copulatory sac; copulatory pouch; seminal bursa; seminal receptical; ectospermalege.
spermathecal chaeta (ANN: Oligochaeta) In tubificids, chaeta (seta) usually in ventral fascicles on segment x; shape is usually different from somatic chaeta.
spermathecal gland (ARTHRO: Insecta) A special gland opening into the duct of the spermatheca, or near the junction of the latter with the vagina.
spermatid n. [Gr. sperma, seed] One of four haploid cells of the male after the meiotic divisions; an immature spermatozoon.
spermatocyst n. [Gr. sperma, seed; kystis, bladder] (MOLL: Gastropoda) In some Opisthobranchiates, a sperm storage sac proximal to the bursa copulatrix.
spermatocyte n. [Gr. sperma, seed; kytos, container] An auxocyte of males that give rise to the spermatids.
spermatodactyl n. [Gr. sperma, seed; dactylos, finger] (AR-THRO: Chelicerata) In Acari, modification of the chelicera in order for sperm transfer from the male's gonopore to the female copulatory receptacles.
spermatogenesis n. [Gr. sperma, seed; genesis, beginning] The formation and development of spermatozoa.
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