The part of the respiratory passages distal to the respiratory bronchiole; from it arise alveolar sacs and alveoli, the smallest of the intralobular ducts in the mammary gland, into which the secretory alveoli open.
Synonym: ductulus alveolaris.
You will also like...
This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..