Fibrosis in the lung replaces functioning lung tissue with fibrous connective tissue. Lamina propria is a vascular connective tissue. Desmoplasia refers to growth of dense connective tissue or stroma. It consists of loose connective tissue and elastin. The periosteum consists of dense irregular connective tissue. This resulted in damage to both bacterial cells and human tissue. It is continuous with the loose connective tissue of the neck. The fluid is absorbed through the fetal tissue and skin. Pulpitis is inflammation of dental pulp tissue. Formaldehyde preserves or fixes tissue or cells. This is due to atrophy of the subcutaneous tissue and dermal fibrosis. Paracrines are slower acting, targeting cells in the same tissue or organ. Many considered the endothelium a specialized epithelial tissue. Plant organs are made from tissue composed of different types of tissue. Lymphoma refers to cancer that arises from lymphatic tissue.