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Otolaryngology A&P
HIM 121 Chapter 16
Question | Answer |
---|---|
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 |