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
secretory granule | acrosomal matrix | intracellular membrane-bounded organelle | cytoplasmic vesicle | cell | cytoplasm | acrosomal vesicle | intracellular organelle | cytoskeletal calyx | secretory vesicle | endomembrane system | perinuclear theca | vacuole | vesicle | perinuclear region of cytoplasm | membrane-bounded organelle | nucleus | organelle | intracellular vesicle | cytoskeleton | intracellular