On the internal surface of the lung there are many network of partitions and alveolar septa provided with plenty of capillaries forming a single layer of dense network.

• 榆林沙蜥肺壁内面有许多网状隔膜及肺泡隔将其分隔成许多肺泡囊及肺泡，在网状隔膜、肺泡隔及肺泡壁上均有丰富的毛细血管。