BRANCHIAL LOBE
A boss located at the anteriomesial angle of the mesobranchial region on the carapace of certain crabs [Chace and Hobbs, 1969].
(Order Cumacea):
One in a series of respiratory projections along posteriorly directed part of epipods of first maxillipeds. Located in branchial chamber; (finger-like, lamelliform) (see also accessory lobule) [Stachowitsch, 1992].