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CSD 316 - Anatomy and Physiology of Embryonic Development
Test 3
47
Communication
Undergraduate 3
03/19/2013

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Cards

Term
what is the superior foundation of the nose (where the nose begins at the level of the eyes)
Definition
nasal root
Term
where the nasal bone's superior part of nose meets the frontal bone in the cranium?
Definition
nasal bridge
Term
the nasal cavity is divided into how mane nares?
Definition
2
Term
what is a singular nasal cavity called?
Definition
naris
Term
what is the space within the nose?
Definition
nostril
Term
what does the septum consist of? (3)
Definition
vomer bone, part of the ethmoid, quadrangular cartilage
Term
What is the wall that divides the two nares?
Definition
septum
Term
where are we more likely to see a distortion in the nose?
Definition
on the inferior part
Term
what is the "wing" tissue outside the base of the nose where we're more likely to see a distortion?
Definition
Alae
Term
what you see dividing the nostrils
Definition
columella
Term
what is the little bridge of tissue at the base of the septum?
Definition
columella
Term
is the septum visible from the outside of the nose? is it bony or cartilaginous?
Definition
no - cartilaginous
Term
what is also known as the"concha"? how many "concha" are there?
Definition
turbinates - 3 of them
Term
what stirs up the airflow as it passes over bones so it can be warmed and moistened more effectively?
Definition
turbinates
Term
are turbinates bony or cartilaginous?
Definition
bony ridges
Term
where is the choanae located?
Definition
at the posterior border of the nose where it opens into the nasopharynx
Term
what is the opening of the choanae?
Definition
the nasopharynx
Term
what is the function of the nose?
Definition
filters, warms, and moistens air we breathe so it's easier on the lungs
Term
what are the ridges above the upper lip called?
Definition
philtrum/philtral ridges
Term
what is the result of tissue growing together during embryonic stage?
Definition
philtrum/philtral ridges
Term
how many philtrum/philtral ridges does a person have?
Definition
2 - one below each nostril
Term
what is the bow shape on the upper lip that is shaped by the philtrum?
Definition
cupid's bow
Term
what is the tiny border of white tissue and is never very prominent?
Definition
white roll
Term
what is the "lipstick zone" and is thinner and more sensitive tissue?
Definition
vermilion border
Term
what is the little bump on the bottom part of the upper lip?
Definition
tubercle
Term
what is the little bump on the bottom part of the upper lip?
Definition
tubercle
Term
what is the outer portion of the hard palate; sometimes called the gum ridge or alveolar process of the maxilla? (where the teeth can grow)
Definition
alveolus
Term
what is the hold through a bony structure that allows nerves and blood vessels to pass through?
Definition
incisive foramen
Term
what occurs at the junction of premaxilla (triangle bone) and palatine process of the maxilla (point where these come together)
Definition
incisive foramen
Term
what is the small triangular bone of the hard palate?
Definition
premaxilla
Term
what are the larger quadrilateral bones of the hard palate?
Definition
palatine process of the maxilla
Term
what are paired quadrilateral bones of the hard palate?
Definition
palatine bones
Term
what a a ridge where two structures come together down the center of the hard palate?
Definition
palatine raphe
Term
what is the boundary where palatine bones end and soft tissue of the velum begins?
Definition
velum/soft palate
Term
how many bones are in the nose? what are they?
Definition
-8 bones!
-2 nasal bones, ethmoid bone, sphenoid, vomer, maxilla, and 2 palatine bones
Term
what is visible on the velum as a fine white line down its center, not as prominent as raphe on the hard palate?
Definition
palatine raphe
Term
what is a sheet of connective tissue that serves as a site for muscle attachments and adds stiffness to the velum to create a tight seal between nasal and oral cavities
Definition
palatine aponeurosis
Term
what is the tear drop shaped structure that hands down from the posterior part of the velum and doesn't seem to do anything?
Definition
uvula
Term
which part of the pharynx lies posterior to the nose and the inferior boundary is the velum?
Definition
nasopharynx
Term
which part of the pharynx lies posterior to the oral cavity and is bounded by the velum superiorly and hypoid bone inferiorly?
Definition
oropharynx
Term
which part of the pharynx is the lowest of the three sub-parts of the pharynx and surrounds the larynx?
Definition
hypopharynx
Term
when we get to the trachea and esophagus, we're at which pharyngeal structure?
Definition
hypopharyngeal
Term
which is the ridge posterior to the opening of the Eustachian tube?
Definition
torus tubarius -- IMPORTANT landmark in the pharynx
Term
what does the Eustachian tube do?
Definition
allows drainage of fluid that may accumulate in middle ear
Term
what happens if the eustachian tube can't open and close properly?
Definition
kids have backups of fluid in the ear causing otitis media and language problems
Term
what is a shelf like ridge of tissue that protrudes from posterior pharyngeal wall when the velum is trying to approximate?
Definition
passavant's ridge
Term
what happens to passavant's ridge in a child with a cleft?
Definition
the ridge is scooting itself forward instead of coming all the way bacl
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