base-ring and frame-ring
collector ring (slip-ring)
column-ring beam joint with shear ring bars
outside ring in-feed system ring
ring of n×n matrices over ring R
ring out the old year and ring in the new
Riser-ring and Ring Module
short-proof ring (arcing ring)
the Western Ring Road Sector of Central Ring Road
anal ring hairs anal ring setae
Attic perforation of tympanic membrane
cartilaginous tympanic annulus
Central perforation of tympanic membrane
Cervical tympanic nerve
Characteristics of traumatic perforation of tympanic membrane
Disorder of tympanic membrane unspecified
ear tympanic membrane magnifier