coxal glands
From ZooTerms (Dictionary of Invertebrate Zoology)
coxal glands: 1. (Arthropoda: Chelicerata) The excretory organs of arachnids; in Araneae, located opposite the coxae of the first and third legs, that function in collecting wastes into a saccule and discharging them through tubes opening behind the coxae.
2. (Arthropoda: Insecta) Variously modified eversible glandular structures at the base of the legs.
3. (Onychophora) The nephridia of Peripatus.
