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Alveolar duct

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x

Alveolar duct <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

Alveolar duct

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
Knobs <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

Knobs

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
Epithelium <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

Epithelium

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
CT and smooth muscle <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

CT and smooth muscle

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
Alveoli <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

Alveoli

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
Interalveolar septa <p>Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x</p>

Interalveolar septa

Alveolar ducts are formed by knobs lined by simple cuboidal epithelium, without cilia or club cells. The epithelium overlies very thin layers of connective tissue and strands of smooth muscle. The (inter)alveolar septum separating individual alveoli possesses a capillary bed where gas exchange occurs. 400x
Main SlideAlveolar ductKnobsEpitheliumCT and smooth muscleAlveoliInteralveolar septa