【医】 quartisternal
breastbone; sternum
【医】 breast bone; breastbone; ossa pectoris; ossa xiphoides; scutum pectoris
sterno-; sternum
fourth; fourthly
period; node; abridge; burl; chastity; knar; part; section
【化】 node
【医】 article; mere; metamere; sectio; section; segment; segmentum