单词	tube nucleus
释义	tube nucleus noun : the one of the two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and that does not divide again compare generative nucleus Word History First Known Use 1939, in the meaning defined above
随便看	masticophises masticophisses mastics Masticura masticurous mastiff mastiff bat mastiffs mastig- Mastigamoeba Mastigamoebidae mastigia mastigium mastigo- mastigobranchia mastigobranchiae mastigobranchial mastigomycotae mastigomycotas mastigomycotinae mastigomycotinas mastigoneme mastigophorae mastigophoran mastigophorans

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