Alveloar sacs
Alveolar sacs form the terminal components of the respiratory system and consist of alveoli clustered around a central space, sometimes referred to as an atrium. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Alveolar sacs
Alveolar sacs form the terminal components of the respiratory system and consist of alveoli clustered around a central space, sometimes referred to as an atrium. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Alveoli
Alveolar sacs form the terminal components of the respiratory system and consist of alveoli clustered around a central space, sometimes referred to as an atrium. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x
Interalveolar septa
Alveolar sacs form the terminal components of the respiratory system and consist of alveoli clustered around a central space, sometimes referred to as an atrium. Interalveolar septa in alveolar sacs generally lack smooth muscle knobs. 200x