The rod was threaded directly to the top of the exciter and to the base of the reference force transducer, making difficult orientation, tedious alignment and customization of stinger lengths a part of every test. The through-hole armature design eliminates these problems.
The nasalis is a sphincter-like muscle of the nose whose function is to compress the nasal cartilages. It is the muscle responsible for flaring of the nostrils. Some people can use it to close the nostrils to prevent entry of water when underwater. It consists of two parts, transverse and alar :
A blocked nose is due to swollen erectile tissue. During a cold, the lining of your nose is the battlefront, says Professor Eccles. When your nose feels blocked, it isn't because it's full of mucus, but because the blood vessels in your nose are inflamed. The nasal lining is made from erectile tissue (similar to the tissue in the sexual organs).