All of the following are paired except: (LQ)
Ref. BOC, Vol 3, 4th/ed pp 240,244; Scott-Brawn's 7th/ed Vol 2 p 2 7 33; Ohingra Sth/ed p 299, 6th/ed p 282; Mohan Bansal p 62
a. All intrinsic muscles of larynx are paired except transverse arytenoid/interarytenoiD.
b. As far as cartilages of larynx are concerned 3 are paired and 3 are unpaireD.
Vocal cords are also paired structures.