Schematic image of muscles serving rhinarial motor plant. (1–6) Partes maxillares superficialis et profunda, Pars interna profunda, and Posterior, Pseudointrinsic, and Superficial slips, respectively, of the Pars interna of the M. nasolabialis profundus; (7) rostral slips of the M. transversus nasi; (8) tendon of the M. dilator nasi; (9) M. levator rhinarii; (10) M. depressor septi nasi; (11) M. depressor rhinarii. Encircled numbers indicate muscles not shared with other motor plants.