Connective tissue (CT) is a one of the four main classes of tissues. Elastic fibers contain the protein elastin along with lesser amounts of other proteins and glycoproteins. Elastin is a key extracellular matrix (ECM) protein that provides resilience and elasticity to tissues and organs. Elastic connective tissue helps maintain blood pressure and promotes normal exhalation. True elastic connective tissue is very rare, and we have no slide specimens that show it. There are several important cell types and three main fibers: collagen, reticular and elastic. But elastic fibers are present in relatively high concentration in several organs, including the largest arteries in the body. It can extend when forces are applied to stretch it, yet return undamaged to its previous condition when the extending force is released. Fibrous tissue. Elastin helps skin to return to its original position when it is poked or pinched. Elastic tissue. Elastic fibers are prominent in elastic tissues found in skin and the elastic ligaments of the vertebral column. Elastic connective tissues consist of chondrocytes cells and are made up of elastic fibers. Elastic fibers in the extracellular matrix are integral components of dermal connective tissue. Elastic fibers are long, thin fibers that form branching network in the extracellular matrix. Reticular Fibers. connective tissue: A type of tissue found in animals whose main function is to bind, support, and anchor the body. Advances in our understanding of elastic tissue physiology provide a … The main property of elastin is that after being stretched or compressed, it will return to its original shape. Elastin is a key protein of the extracellular matrix. Elastic connective tissue 40X Human aorta c.s. a) Fibrous tissue. Although it is the most abundant and widely distributed of the primary tissues, the amount of connective tissue in a particular organ varies. Muscle tissue is both extensible and elastic. b) Elastic tissue. They help the connective tissue to stretch and recoil. It is highly elastic and present in connective tissue allowing many tissues in the body to resume their shape after stretching or contracting. Function of Connective Tissue. Muscle tissue. Reticular fibers are short, fine collagenous fibers that can branch extensively to form a delicate network. The resilience and elasticity required for normal structure and function of the skin are attributable to the network of elastic tissue. Yellow elastic tissue is one of the three types of dense connective tissue. Elastic fibers provide elastic recoil without damage in tissues and organs of the reproductive tract that need to be both strong and extensible to function. It has collagen fibers and less number of fibroblasts. It is the dominant protein in extensible tissues and is primarily present in the lungs, aorta, and skin. Yellow Elastic Tissue - Anatomy & Physiology Revision about the Structure and Functions of Human Tissue Types. It forms ligaments of bone joints, tendons for skeletal muscle to fix to the bone and also as a protective cover to the bones, brain, kidney. However, nongravid PS, although a fibrocartilaginous tissue (which normally does not have elastic fibers), has very thin elastic fibers. Elastin is roughly 1000 times more flexible than collagens; thus, the main function of elastin is the elasticity of tissues. The extracellular substance of elastic connective tissue is composed of limited ground substance and is structured in a flexible, but firm matrix. Classification of connective tissue into three broad types is based upon the composition of its cellular and extracellular components and its function in the body. Fibers and less number of fibroblasts Physiology Revision about the Structure and function of elastin is key... 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