![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Gall bladder: muscularis externa
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![Epithelium <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-1-ping.png)
Epithelium
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![- Infoldings <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-2-ping.png)
- Infoldings
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![Lamina propria <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-3-ping.png)
Lamina propria
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![Muscularis externa <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-4-ping.png)
Muscularis externa
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![- Smooth muscle fascicles <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-5-ping.png)
- Smooth muscle fascicles
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x
![- Connective tissue <p>The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x</p>](https://digitalhistology.org/wp-content/uploads/2017/10/Or.Dig_.MajGl_.GB-6-6-ping.png)
- Connective tissue
The muscularis external shows the interlacing bundles of longitudinal, transverse and oblique smooth muscle, as well as intervening connective tissue. Both a muscularis mucosae and a submucosa are absent in the gall bladder. 400x