![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Bronchiole
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![Simple columnar epithelium <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P01.png)
Simple columnar epithelium
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![- Goblet cell <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P02.png)
- Goblet cell
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![- Basement membrane <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P03.png)
- Basement membrane
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![Lamina propria <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P04.png)
Lamina propria
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![- Elastic fibers <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P05.png)
- Elastic fibers
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x
![- Smooth muscle <p>The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x</p>](https://digitalhistology.org/wp-content/uploads/2018/06/O.R.I.C.B.07.P06.png)
- Smooth muscle
The pseudostratified columnar epithelium of the larger bronchioles decreases in height as bronchioles decrease in diameter. This bronchiole is lined by a simple columnar epithelium with cilia and goblet cells. 1500x