copulatory organ


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copulatory organ

[′käp·yə·lə‚tȯr·ē ‚ȯr·gən]
(anatomy)
An organ employed by certain male animals for insemination.
References in periodicals archive ?
The morphology of the copulatory organs is species-specific for most spider species.
2003 from the gills of Iheringidhthys labrosus in the following characteristics: similar accessory piece of the male copulatory organ, ventral and dorsal bars V-shaped, and accessory piece associated with half of the male copulatory organ.
Inhibition of aromatase activity thus increases levels of testosterone which induces imposex, with the development of male copulatory organs.
chaetodipteri), and by the presence of accessory prostatic reservoir reaching at the copulatory organ base (absent in R chaetodipteri).
This may result from a physiological constraint between the building and maintenance of the male copulatory organ and the female function.
According to these authors, the main characteristics of Pseudempleurosoma are: two pairs of dissimilar anchors, dorsal anchor large with unpaired median connecting bar, and ventral anchor smaller with two pairs of connecting bars associated with each anchor; caeca with numerous lateral diverticula, united posteriorly; copulatory organ tubular, slender, twisted or not; accessory piece present; genital pore median and ovary pretesticular (SANTOS et al.
Copulatory organ breakage, in which a portion of the male's genitalia breaks off during copulation is relatively common in spiders (Wiehle 1967; Breene & Sweet 1985; Foelix 1996; Schneider et al.