![This is blank.](https://digitalhistology.org/wp-content/themes/histology-unified/imgs/trans.png)
Active fibroblast
This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x
![Fibroblast nuclei <p>This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x</p>](https://digitalhistology.org/wp-content/uploads/2018/05/T.CT_.CTP_.Cells-5-1-ping.png)
Fibroblast nuclei
This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x
![Fibroblast processes <p>This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x</p>](https://digitalhistology.org/wp-content/uploads/2018/05/T.CT_.CTP_.Cells-5-2-ping.png)
Fibroblast processes
This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x
![Collagen fibers <p>This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x</p>](https://digitalhistology.org/wp-content/uploads/2018/05/T.CT_.CTP_.Cells-5-4-ping.png)
Collagen fibers
This electron micrograph of dense irregular connective tissue shows active fibroblasts surrounded by collagen and elastic fibers. Active fibroblasts have euchromatic nuclei and in this tissue they have thin cell processes. 5000x
![Elastic fibers > <p>Elastic fibers are composed of different proteins than collagen fibers and stain with greater electron density.</p>](https://digitalhistology.org/wp-content/uploads/2018/05/T.CT_.CTP_.Cells-5-3-ping.png)
Elastic fibers >
Elastic fibers are composed of different proteins than collagen fibers and stain with greater electron density.