A lobule of the lung enclosed in septa and supplied by a terminal bronchiole that branches into the respiratory bronchioles. Each respiratory bronchiole supplies the alveoli held in each acinus …

Sep 5, 2025 · Bronchioles are the smallest air passages inside the lungs. They branch off like tree limbs from the bronchi —the two main air passages that receive air from the trachea …

Mar 27, 2024 · Beyond the terminal segmental bronchi, the branches are referred to as bronchioles. The bronchioles can branch between 20-25 times. There are two types of …

A bronchiole is a small airway in the respiratory system that branches off from the bronchi and leads to the alveoli, where gas exchange occurs. Unlike the larger bronchi, bronchioles lack …

It is in the smaller bronchi that major obstruction commonly occurs in asthma: these bronchi contain smooth muscle in their walls, and the muscle may contract, causing airway …

Bronchioles are defined as distal airways that are the continuation of bronchi but are contained within the lung lobe. Consequently, bronchioles are considered to be intrapulmonary airways. …

Bronchioles are small, thin-walled airways that branch from the bronchi and lead to the gas-exchanging regions of the lungs. Unlike the bronchi, bronchioles lack cartilage in their walls …

Bronchioles are small respiratory passages that have smooth muscle in their walls but lack the cartilage supports found in bronchi. The circular arrangement of smooth muscle and the …

Explore the structure and role of respiratory bronchioles in gas exchange and respiratory tract. Learn about their anatomical relations and morphology.

A conducting airway which begins at the last cartilaginous plate and ends at the last ciliated epithelial cell; bronchioli are any of 7–9 increasingly finer subdivisions of the bronchiolar tree …