structural molecule activity | structural constituent of cytoskeleton
cell differentiation | male gamete generation | cellular process | multicellular organismal reproductive process | gamete generation | cellular component organization | reproduction | reproductive process | multicellular organism development | multicellular organism reproduction | anatomical structure development | structural constituent of cytoskeleton | cytoskeleton organization | developmental process | organelle organization | spermatogenesis | sexual reproduction | multicellular organismal process
intracellular membrane-bounded organelle | cell | cytoplasm | intracellular organelle | cytoskeletal calyx | perinuclear theca | perinuclear region of cytoplasm | membrane-bounded organelle | nucleus | organelle | cytoskeleton | intracellular