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 · Key Takeaways Bronchioles are tiny air passages in the lungs that deliver air to the alveoli. Conditions like asthma and emphysema can block or narrow the bronchioles, making it …

Apr 27, 2017 · The bronchioles are tubes in the lungs which branch off from the larger bronchi that enter each lung, from the large and singular trachea which connects to the mouth.

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 …

Apr 1, 2017 · Located within the lungs, bronchioles are tubular structures around 1mm in diameter [4], consisting of connective tissues and some smooth muscles that keep the tubes open. …

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 …

The meaning of BRONCHIOLE is a minute thin-walled branch of a bronchus.

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 …

Explore the Respiratory Bronchioles — including its structure, location, and function in the human body.

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 …