Assertion: lobster's pleopod | /r/HasProperty | lamellar structures
Facets:
Source sentences:
text: The first five abdominal segments each bear a pair of biramous (branching in two) pleopods (lamellar structures which serve the function of gas exchange, and in aquatic species serve as gills and propulsion), and the last segment bears a pair of biramous uropods (posterior limbs).