Agradecimentos: Invaluable collaborations and discussions with Jean-René Hamon and Jean-Yves Saillard (Rennes), Lionel Salmon (LCC, Toulouse), Marie-Christine Onuta (UMBC, MD, USA), Fengyu Fu, Sylvain Gatard, Haibin Gu, Na Li, Feng Lu, Dong Wang, Changlong Wang (Bordeaux), Pengxiang Zhao (Chengdu), and Sergio Moya and his group (biomaGUNE, San Sebastian, Spain). Financial support from the University of Bordeaux, the Centre National de la Recherche Scientifique, the Agence Nationale pour la Recherche (D.A.), the Ministère de l’Enseignement Supérieur et de la Recherche (PhD grant to C.D.), the Institut Universitaire de France (D.A.), the Chinese Scholarship Council (PhD grants to X.L., Q.W., and Y.W.), and L’Oréal (D.A.) are gratefully acknowledged Ver menos

Dentromers (from dentro, δεντρο: tree in Greek), and meros (μεροσ, in greek: part) are introduced as a family of dendrimers constructed according to successive divergent 1 → 3 branching. The smaller dentromers have 27 terminal branches. With alcohol termini they were originally named arborols by Newkome, who pioneered 1 → 3 constructions of dendrimers and dendrons. Giant dentromers have been constructed and decorated in particular with ferrocene and other redox active groups. The synthesis, specific properties, and applications are examined in this mini review article dedicated to Don Tomalia, with an emphasis on dense peripheral packing favoring the functions of encapsulation, redox sensing, and micellar template for catalysis in water and aqueous solvents Ver menos