| 释义 |
terminal saccules terminal sacculesthe thin-walled dilations (primordial alveoli) that develop at the ends of the respiratory bronchioles and develop a close relationship with the capillaries. Synonym(s): terminal sacster·mi·nal sac·cules (tĕr'mi-năl sak'yūlz) The thin-walled dilations (primordial alveoli) that develop at the ends of the respiratory bronchioles and develop a close relationship with the capillaries. |