in taxon Chelicerata excretory gland coxal gland UBERON:0009965 They are found in all arachnids (with the exception of some Acari), and in other chelicerates, such as horseshoe crabs. Homology: The coxal gland is thought to be homologous with the antennal gland of crustaceans SPD:0000116 TADS:0000080 Wikipedia:Coxal_gland A gland found in some arthropods, for collecting and excreting urine. The gland comprises an end sac (saccule), a long duct (labyrinth) and a terminal bladder (reservoir). There is generally only one pair (two in some spiders), and they open on the coxae of the walking legs[WP]. cede this term to Arthropod AO