respiratory system Flashcards
nasal septum
the partition that divides the 2 equal cavities of the nose
perpendicular ethmoid
one bone that makes up the nasal septum
vomer
one bone that makes up the nasal septum
external nares
nostrils
choanae
internal nares that link the external nares to the nasopharynx
conchae bones
turbinate bones, they create a passageway for the air
meatus
passage created by the conchae where air flows
epithelium
lining of small cavities
epistaxis
nosebleed
olfaction
sense of smell
maxillary sinus
one of the paired paranasal sinuses located in body of maxilla
frontal sinus
one of paired irregular shaped paranasal sinuses located in the frontal bone
auditory
pert to sense of hearing
eustachian
tube connecting the nasopharynx to the middle ear
laryngopharynx
where the respiratory and digestive systems diverge
thyroid
gland in the lower part of front of neck
cricoid
ring-shaped cartilage making up the lower larynx
arytenoid
vocal cord cartilage
bifurcates
divided into 2 branches
bifurcation
site where a single structure divides into 2.
carina
cartilaginous plate of the trachea
tertiary
third in order
alveolar ducts
small passages connecting the respiratory bronchioles and the alveolar sacs.
alveoli
functional units of the respiratory system
mediastinal space
space separating the lungs
mediastinum
mass of tissues and organs separating the two pleural sacs
lobules
division of lung lobes