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 :
The nasal anatomy is very complicated. The support of your nose is made of nasal bones (which are not moveable and which you can feel between your eyelids) and of cartilage (which is moveable and makes up the support of the middle part and end of your nose (nasal tip). The space inside your nose is divided into two passages by your nasal septum.