NURSING 2LA2 Lecture Notes - Lecture 10: Trigeminal Nerve, Vestibular System, Inner Ear
Document Summary
5 trigeminal innervates mastication muscles called the tensor timpani. Puts tension on the ear drum, reducing chewing sounds. 7 controls stepideus muscle, bones of middle ear putting tension it as well which vestibral nerve. ) the middle ear. Inner ear fluid filled (cochlia and vestibular apparatus)(cochliar and. Middle ear comm with inner by oval and round windows. Air pocket released through auditory pharingial tube form pharinx to. Otherwise known as petrus inner ear carved into this bone. Mastoid process at back of ear, attatched to sternal clydo mastoid muscle. Outer 2 thirds cartilage inner third is bone. Therefore when skin gets infected, glands are effected (pus inflammatory response) due to inflammation pressure build up is felt by the trigeminal nerve branches directly and has no where to go to be relieved creating great amounts of pain. Cone created, skin on outside and mucus membrane on the inside. Bones attatched (oscicles ) relay the information to the brain.
