Lymph ____ (4)
(Other definitions for nodes that I've seen before include "Small knob-like swellings" , "Swellings or knotty masses" , "Components in a computer network" , "Network intersections" , "Knots" .)
(Other definitions for node that I've seen before include "growth" , "Where network lines meet" , "Intersection in a network" , "Slight swelling on a plant where new leaves emerge" , "Knob or lump" .)