Respiratory microanatomy Flashcards
what are bronchioles
air conducted passways
what are the smallest bronchioles
terminal bronchioles
where to terminal bronchioles lead
respiratory bronchioles and alveolar ducts
what do the alveolar ducts lead to
alvolar sacs then the alveoli
what is the blue structure?
supporting cartilage
do bronchioles contain large cartilage plates in their submucosa
no
do bronchioles contain glands in their submucosa
no
do bronchioles contain a layer of smooth muscle in their submucosa
yes
what are the features of Clara cells
tall
columnar
non-ciliated
dome-shaped
apical ends (apex)
what cells are in the primary bronchiole
goblet cells
Clara cells
ciliated simple columnar & cuboidal cells
what is the epithelium of the primary bronchiole consist of
ciliated simple columnar & cuboidal cells
Clara cells
what happens to the primary bronchiole as you move distally
diameter decreases
transition to simple ciliated columnar epithelium with clara cells instead of goblet cells
what are the blue yellow and orange structures
Clara cells, ciliated simple columnar cells, cuboidal cells
what are the blue, yellow and green structures
ciliated pseudostratified columnar epithelium and goblet cells
what happens to the lumen when a patient has bronchial asthma
mucus in the lumen
what happens to the bronciolar wall when a patient has bronchial asthma
thicker due to muscle hypertrophy
what happens to the blood vessels if the patient has bronchial asthma
inflammation and enlarged blood vessels
what are curschmanns spirals
spiral-shaped mucus plugs
where are curschmanns spirals found
the sputum obtains from tracheal and bronchoalveolar lavage