part_of adult seminal receptacle adult seminal receptacle lumen Fig. 16-2, in Biology of Ticks ISBN:0-19-505910-7. TADS:0000439 TADS:0000439 The central cavity of the seminal receptacle where the spermatozoa are stored following insemination by the male aftercopulation. Masses of spermatozoa emerge from the seminal receptacle cavity and migrate up the oviducts to fertilize the ova. default_namespace anatomical space