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Otolaryngology A&P

HIM 121 Chapter 16

Auditory Cortex Where?- temporal lobe of brain What Occurs?- Sensory information from the ears is interpreted Why?- In order to hear
Auricle Where?- The visible external ear AKA?- the Pinna
Cerumen What?- Sticky wax secreted by glands Where?- In the external auditory canal Why?- To trap dirt
Cochlea What?- Coiled structure associated with the sense of hearing Where?- Inner ear
Eustachian Tube What?- tube tube that connects the middle of ear to the nasopharynx Why?- equalizes pressure between the middle ear and throat
Incus What?- Second bone of Middle ear
Malleus What?- First bone of middle ear
Mastoid Process What?- Bony projection Where?- Temporal Bone behind the ear
Ossicles What?- Three tiny bones: Malleus, Incus, and Stapes Where?- Middle ear
Semicircular Canals What?- 3 seperate but intertwined canals Where?- In the inner ear, oriented on different planes
Stapes What?- third bone of middle ear
Tymponic Membrane What?- a membrane that divides external ear from the middle ear
Vestibule Where?- entrance to the inner ear
Ethmoid Sinuses What?- Groups of small air cells Where?- in the ethmomid bone between the nose and eyes
Frontal Sinuses Sinuses above each eyebrow where?- in the frontal bone of the cranium
Maxillary Sinuses Largest of sinuses where? each side of the nose
sinus HOllow cavity Where?- within a cranial or facial bone
sphenoid sinuses Where?- in the sphenoid bone, posterior to the nasal cavity and near the pituitary gland of the brian
Naris one nostril, the opening into the nasal cavity
nasal cavity hollow area formed by the ethmoid and maxillary bones where? area inside the nose
Nasal Septum wall of cartilage and bones that divides the nasal cavity into right and left sides
Turbinates three long projections of bone covered with mucosa that jut into the nasal cavity
Hard Palate bone that divides the nasal cavity from the oral cavity
Buccal Mucosa lines the cheek area of the oral cavity
oral cavity hollow area inside the mouth that contains the tongue, teeth hard and soft palates and uvula
Soft Palate soft tissue extension of the hard palate at the back of the throat
Tempromandibular Joint MOveable joint where ligaments attach each end of the mandible to the temporal bones of the cranium
tongue large muscle in the oral cavity that is attched to the mandible
adenoids large muscle in the oral cavity that is attached to the mandible
lingual tonsils lymphoid tissue located on both sides of the base at the tongue in the laryngopharynx
Created by: mcummins51



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