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n.1.(Zool.) A capsule developed on certain hydroids (Thecaphora), inclosing the blastostyle upon which the medusoid buds or gonophores are developed; - called also gonangium, and teleophore. See Hydroidea, and Illust. of Campanularian.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Gonothecal pedicels short, length 60-300 [micro]m (n = 10), diameter 60-120 [micro]m (n = 10), with 2-8 annulations (n = 10) throughout, arising near base of hydrothecal pedicels or directly from hydrorhiza; several medusa buds in each gonotheca, but some gonothecae empty.
After the gonotheca was cut open with a thin needle, the star-shaped embryos and preactinulae were picked up with the needle from the dissociated gonophores.
Male gonotheca, 0.89-1.01 mm long, 0.45-0.61 mm wide, broad and asymmetric, with smooth walls and sub-terminal constriction; irregular annulations or folds at distal part; large terminal aperture, about 0.26 mm in diameter; pedicel short and usually inconspicuous.