Alveolar sac
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Alveolar duct
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Alveolar sac
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Alveoli
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Interalveolar septa
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Knobs
Alveolar ducts terminate as alveolar sacs, blind-ended pouches composed of clustered alveoli. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Image source >
The image was taken of a slide in the University of New England College of Osteopathic Medicine collection.
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