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Unit 4 - General info
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Sinuses
cavities that reduce the weight of a bone
increases surface area
affect voice quality
Four main pairs of sinuses in head
frontal sinuses
maxilarry sinuses
ethmoid sinuses
mastoid air cells
Frontal sinuses
are located in the frontal bone between the eyes
Maxillary sinuses
are the largest set of sinuses
Ethmoid sinuses
empty space within the bones
Four main cavities in vocal tract:
Buccal cavity
Oral cavity
Pharyngeal cavity
Nasal cavity
Buccal cavity
space between cheeks and gums
Oral cavity
from teeth to the back of soft palate
Pharyngeal cavity
makes up the throat
Nasal cavity
the nostrils and portion of the pharynx behind nose
Cupid's bow or the vermillion border
often referred to the shape of the upper lip
Philtrum
medial, vertical gully between upper lip and nose
Labial frenums
the internal medial surface of the upper lip and lower lips are band of tissue that attach each to the gums
Waldeyer's ring
three sets of tonsils
Three sets of tonsils:
Palatal tonsils
Pharyngeal tonsils
Lingual tonsils
Palatal tonsils
located between the anterior and posterior faucial pillars
the tonsils that most people refer to when they say "tonsils"
Pharyngeal tonsils
known as adenoids
located in nasopharynx
when enlarged, they may obstruct the opening of Eustachian tube, causing a mild-moderate conductive hearing loss
Lingual tonsils
on the root of tongue
Author
jadnebalasca
ID
184471
Card Set
Unit 4 - General info
Description
A&P of the ear and speech mech
Updated
11/19/2012, 7:52:16 PM
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