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 :
Smell and the Structure of the Nasal Cavity Inside your nose is an open area called the nasal cavity. On the roof of the nasal cavity are special sensory cells called olfactory receptor cells. They extend through small holes in the bony roof of the nasal cavity (the ethmoid bone of the skull). This sieve-like structure is called the cribriform plate.