The narrowest pa of the larynx is
The rima has an anterior intermembranous pa (three-fifth) and a posterior intercailaginous pa, The rima is the narrowest pa of the larynx. It is longer (23 mm) in males than in females (17 mm ). ref : B D Chaurasia's Human Anatomy , sixth edition, volume 3 , pg. no. 256 ref : 16.15a , B D Chaurasia's Human Anatomy , sixth edition, volume 3 , pg. no. 255
Ventricle
Vestibule
Subglottic space
Glottis
Head and neck