(Order Decapoda):
Proximal section of antennal gland. Typically divided into saccule and labyrinth; opens into bladder (occasionally via excretory tubule) [Stachowitsch, 1992].
(Subclass Branchiura):
Expanded proximal section of each maxillary gland. Opens to exterior via coiled duct [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.