Dense irregular connective tissue stretching forces from different directions. Dense irregular connective tissue also makes up submucosa of the digestive tract, fibrous capsules of joints and lymph nodes, and some types of fascia. Other examples include periosteum and perichondrium of bones, and the tunica albuginea of testis. In the submucosa layer, the fiber bundles course in varying planes allowing the organ to resist excessive stretching and distension. Dense irregular connective tissue Dense irregular connective tissue has fibers that are not arranged in parallel bundles as in dense regular connective tissue. Dense irregular connective tissue consists of mostly collagen fibers. It has less ground substance
Soft tissue sarcoma in cats and dogs Soft tissue sarcoma in cats and dogs Soft tissue sarcoma refer to a broad group of tumors that originate from connective tissues. They tend to have similar histologic appearance and biological behavior, and can be either benign or malignant. Soft tissue sarcomas can arise in any part of the pet's body but skin and subcutaneous tumors are the most commonly observed. Soft-tissue sarcomas comprise approximately 15% of all skin and subcutaneous tumors in dogs and approximately 7% of all skin and subcutaneous tumors in cats. The variety of different tumors that fall under the category of soft tissue sarcomas includes