Tendons attach skeletal muscles to bones; ligaments connect bones to bones at joints. Ligaments, the stretchier structures that bind bones together at the joints, are also made of this type of tissue. Definition noun A type of connective tissue that contains chiefly of collagen fibers (type I collagen) relative to the ground substance and cellular components, and functions by providing strong connection between different tissues Supplement The connective tissue is an animal tissue that is comprised of specialized cells embedded in the matrix. Before using our website, please read our Privacy Policy. Cells called fibroblasts work to produce the fibers that make up dense connective tissue. The fibers are mainly composed of type I collagen. The dense connective tissue is a type of connective tissue proper that consists predominantly of fibers, especially type I collagen. [3], Anatomy photo: TermsCells&Tissues/connective/dense/dense1, https://en.wikipedia.org/w/index.php?title=Dense_connective_tissue&oldid=931282168, Creative Commons Attribution-ShareAlike License, This page was last edited on 18 December 2019, at 01:45. Generally, dense regular connective tissue forms tendons, the cords that attach muscle to bone, and aponeuroses — the flat, sheet-like tendons that attach muscles to other muscles or muscles to bone. The major function of the dense connective tissue is to bind body parts together. Learn about the different components and functions of the human circulatory system dealt with in detail in this tutorial. Amazon Doesn't Want You to Know About This Plugin. Elastic fibers are like rubber bands — they can stretch to a certain point and will then snap back to their original position. [2], It is classified as either dense regular connective tissue or dense irregular connective tissue. The key difference between loose and dense connective tissue is that loose connective tissue has loosely arranged fibres and cells in the matrix, while dense connective tissue has densely arranged fibres in the matrix. What Is Dense Irregular Connective Tissue? The content on this website is for information only. As a consequence, it displays greater resistance to stretching. Due to its rubbery nature, elastic tissue can recoil after stretching. Dense irregular: Much of the dermis layer of the skin is composed of dense irregular connective tissue. UCSD Professor Explains How Elephants Are Able To Snorkel. The fibroblast s in the matrix generate these fibers. Dense connective tissue, also called dense fibrous tissue, forms the body’s tendons, ligaments, joint capsules, and aponeuroses, as well as the dermis of the skin. There are two main forms of dense connective tissues: The main difference between the two forms is the arrangement of the fiber component. Muscle cells are specialized to generate force and movement. Crowded between the collagen fibers are rows of fibroblasts, fiber-forming cells, that generate the fibers. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. It takes various forms as it supports, insulates, and protects the body. Body parts that are simultaneously pulled in multiple directions rely on dense irregular tissue for structural strength. The dense connective tissue is a type of connective tissue proper that consists predominantly of fibers, especially type I collagen. In addition, these bodily tissues also contain ground substance — the material that fills in the gaps between fibroblasts and holds the fibers themselves. Ligaments are more stretchy and contain more elastic fibers than tendons. Connective tissue is present throughout the human body and serves a variety of crucial functions beyond connecting body parts. The extracellular matrix is unique and imperative to connective tissue. Learn about a little known plugin that tells you if you're getting the best price on Amazon. The interstitium – a new biological organ? Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. Fascia, the outer wrapping that binds together groups of muscles, blood vessels, and nerves, is also composed of dense regular connective tissue. Elastic connective tissue is a specialized type of dense connective tissue with a much higher proportion of elastic fibers. Dense connective tissue also make up the lower layers of the skin (dermis), where it is arranged in sheets. Dense connective tissue can be categorized into dense regular, dense irregular, and elastic connective tissues. Dense regular connective tissue is a white, flexible tissue. What Is the Main Function of Connective Tissue? Tendons attach skeletal muscles to bones; ligaments connect bones to bones at joints. [1] The fibers are mainly composed of type I collagen. For example, this tissue tensile strength allows it to withstand pulling forces exerted in one direction when a person flexes his or her arm. In dense regular connective tissue, the fibers are arranged in parallel bundles whereas those in dense irregular connective tissue are not. Any information here should not be considered absolutely correct, complete, and up-to-date. What are the Different Connective Tissue Disease Symptoms. This type of body tissue makes up the dermis — the leathery second layer of the skin. There are three major categories of dense connective tissue: regular, irregular, and elastic. Dense irregular connective tissue also forms joint capsules and the fibrous coverings of kidneys, cartilages, and nerves. Ground substance contains fluids and cell adhesion proteins, which essentially act as the glue that keeps the connective tissue attached to the extracellular matrix. Fibers are the primary components of any dense connective tissue. The connective tissues may be classified into loose connective tissues and dense connective tissues depending on their composition. What Are the Symptoms of a Myxoid Liposarcoma? Ligaments are more stretchy and contain more elastic fibers As the name implies, this type of connective tissue proper is dense or closely compacted in contrast to the other type, which is the loose connective tissue. Dense connective tissue forms strong, rope-like structures such as tendons and ligaments. All Rights Reserved. There are four types of basic tissues in the human body: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Collagen fibers, the strongest and most prevalent fibers in dense connective tissue, provide tensile strength and support. This makes it the ideal tissue to line the walls of the bronchiole tubes so that the lungs can deflate after inhaling and to line the walls of large arteries so that these vessels can pulse blood through the body. Dense connective tissue, also called dense fibrous tissue, forms the body’s tendons, ligaments, joint capsules, and aponeuroses, as well as the dermis of the skin. This matrix allows connective tissues to bear weight and endure the impacts, traumas, and pulling forces that no other tissue in the body can survive. The matrix is abundant in extracellular components (such as fibers and ground substance). Dense connective tissue, also called dense fibrous tissue, is a type of connective tissue with fibers as its main matrix element. It also has fibroblasts that generate the fibers. © 2001-2020 BiologyOnline. Dense irregular connective tissue forms the fibrous coverings of the kidneys. Dense irregular connective tissue features the same basic structures as dense regular connective tissue, but its collagen fibers are irregularly arranged bundles and are significantly thicker than those of the regular variety. Dense connective tissue contains more collagen fibers than does loose connective tissue. All of these fibers run in one uniform direction — arranged parallel to the direction of forces exerted on the particular body part where the tissue is located. This little known plugin reveals the answer. Dense connective tissue, also called dense fibrous tissue, is a type of connective tissue with fibers as its main matrix element. Is Amazon actually giving you the best price? It contains tightly packed bundles of collagen fibers. connective tissue proper that is tightly packed with hig numbers of collagen or elastic fibers three types of dense tissue dense regular, irregular and elastic tissue way to remember types of dense tissues Synonym: The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Dense connective tissue forms strong, rope-like structures such as tendons and ligaments. There are three different types of dense connective tissue: dense regular connective tissue, dense irregular connective tissue, and elastic connective tissue. While all other primary bodily tissues are composed mainly of living cells, connective tissue is largely made up of the non-living extra-cellular matrix. dense irregular connective tissue – found in lower layers of the skin ( dermis) and in the protective … The tissue provides support to the body’s first line of defense. It is not intended to provide medical, legal, or any other professional advice. Crowded between the collagen fibers are rows of fibroblasts, fiber-forming cells, that generate the fibers. Elastic tissue also forms a few ligaments that demand extreme flexibility, such as the ligamentum nuchae of the neck. Compared with the loose connective tissue, the dense connective tissue has less cellular variation and ground substance. Dense regular: Tendons and ligaments are examples of dense regular connective tissue.

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