Those with advanced training and certification, such as the CPN credential, may also receive higher compensation. RNâs that go on to become Advanced Practice Registered Nurses (APRNs), including Pediatric Nurse Practitioners (PNPs), can also expect higher salaries.
CELLS: The most common connective tissue cells are: 1  Fibroblasts, which secrete collagen and other elements of the extracellular matrix. 2  Adipocytes, which store fat. 3  Mast cells, macrophages, and lymphocytes, cells with immune function which participate in inflammation.
The intercellular matrix of loose connective tissue is composed of various fibers and ground substance. A. Connective tissue fibers. There are three types of fibers in the intercellular matrix of connective tissue: (1) collagen fibers, (2) reticular fibers, and (3) elastic fibers.Collagen fibers. The most prevalent protein in the body is collagen.. Connective tissue fibers. There are three types of fibers in the intercellular matrix of connective tissue: (1) collagen fibers, (2) reticular fibers, and (3) elastic fibers. Collagen fibers. The most prevalent protein in the body is collagen.