part of part of results in development of anatomical structure development neuromast development anterior lateral line development anterior lateral line neuromast development GO:0048901 biological_process The process whose specific outcome is the progression of the anterior lateral line neuromast over time, from its formation to the mature structure. The neuromast is the sensory receptor of the anterior lateral line system and is composed of a population of sensory hair cells, and nonsensory supporting cells and mantle cells. Neuromast are located superficially on the epithelium or in lateral line canals. anterior lateral line neuromast