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They are spindle-shaped cells and are scattered mostly throughout the matrix. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Connective tissue Adult Ordinary Loose Areolar Adipose Reticular Dense Regular Tendon Ligament Aponeurosis Irregular Subcutaneous tissue Specialized Blood Cartilage Bone Fetal 24. Similarly to dense irregular connective tissue, loose irregular connective tissue has a multidimensional tissue orientation. Image Source: jotscroll.com Different Types (Examples) and their Functions. -It plays a significant role in the diffusion of gases, nutrients and metabolic wastes between the cells and the vessels that perfuse the tissue. This video explains how dense connective tissue differs from loose connective tissue. Loose Connective Tissue: Loose connective tissue consists of loosely arranged fibers. Also, dense regular tissue has further two types as dense collagenous connective tissue and dense elastic connective tissue. It forms structures like tendons in which the forces are directed in a single direction. Dense connective tissue is reinforced by bundles of fibers … 1. Whereas, the dense connective tissue is present on the outside of many organs, in the dermis of the skin and submucosa, within various organs as dense irregular connective, and in tendons, ligaments, and aponeuroses as dense regular connective tissue. What is Loose Connective Tissue       – Definition, Characteristics, Function 2. The three types of loose connective tissue are areolar, adipose, and reticular tissues. TENDON L.S. Irregularly arranged fibrous connective tissues are found in areas of the body where stress occurs from all directions, such as the dermis of the skin. Dense connective tissue is reinforced by bundles of fibers that provide tensile strength, elasticity, and protection. There are three main groups of connective tissues: Loose connective tissue holds organs in place and attaches epithelial tissue to other underlying tissues. It provides both metabolic and structural support to the other tissues. Connective tissue is made up of cells and their extracellular matrix. ; Dense connective tissue helps attach muscles to bones and link bones together at joints. Both loose and dense connective tissues provide structural support and connect various types of tissues in the body. What is Dense Connective Tissue       – Definition, Characteristics, Function 3. The structure of connective tissue varies from soft gel-like loose (areolar) connective tissue to hard bones. Furthermore, a large proportion of ground substance and cells are present in loose connective tissue, whereas these substances are present in small quantities in dense connective tissue. All rights reserved. It holds organs in place and attaches epithelial tissue to other underlying tissues. 30. The most abundant types of loose connective tissue are areolar and adipose. Loose connective tissue Loose connective tissue. 2. The lungs and arteries have a layer of elastic connective tissue … Fibrous Connective Tissue. The ECM is composed of a moderate amount of ground substance and two … Dense Connective Tissue. - It holds organ in place and attaches epithelial tissue to other underlying tissues. In loose connective tissue, the fibers are loosely organized, leaving large spaces in between. “Dense Connective Tissue.” Histology of Connective Tissues – 4 Available here. Loose Connective Tissue Dense Connective Tissue 1. Elastic connective tissue is a modified dense connective tissue that contains numerous elastic fibers in addition to collagen fibers, which allows the tissue to return to its original length after stretching Figure 4.10). Dense connective tissue, is one of the types of connective tissue also referred to as dense fibrous tissue due to relative abundance of the collagen fibers. 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That means dense connective tissue consists of numerous protein fibers in the matrix. 4. Based on the types and relative abundance of cells as well as the organization of fibres and ground substances, connective tissue can be classified into several categories. ADIPOSE TISSUE 28. Loose connective tissue is the most common type of connective tissue in vertebrates and it holds the organs in place and attaches the epithelial tissue to the underlying tissues. Dense Connective Tissue. It consists of loosely arranged fibres and cells. (CC BY 2.5) via Commons Wikimedia 2. Reticular, collagen, and elastin are the three types of protein fibers that specifically occur in the connective tissue. in Molecular and Applied Microbiology, and PhD in Applied Microbiology. Degree in Plant Science, M.Sc. There are two main divisions of connective tissue: connective tissue proper and specialized connective tissue. Pigmented connective tissue is present in the choroid, ciliary body and iris of the eye and dermis of the human skin. Another significant difference between loose and dense connective tissue is that loose connective tissue has more vessels than dense connective tissue. There are two types of dense connective tissues as dense irregular connective tissue and dense regular connective tissue. Loose Connective Tissue: The loose connective tissue mainly contains fibroblasts. Dense connective tissue is reinforced by bundles of fibers that provide tensile strength, elasticity, and protection. The dense regular and irregular connective tissue are shown in figure 2. Characteristics. Loose irregular connective tissue includes, but is not limited to, the superficial fascial sheath of the body directly under the skin, the muscle and nerve sheaths, and the bed and framework of the internal organs. Overview and Key Difference Dense Connective Tissue: Dense connective tissue consists of numerous, thick fibers. 3. The areolar tissue and the adipose tissue are classified under the loose connective tissue. Dense connective tissue, is one of the types of connective tissue also referred to as dense fibrous tissue due to relative abundance of the collagen fibers. Accessed 10 Sept. 2017. The location and the function of each type of loose connective tissue are described in table 1. Its viscous gel-like nature is important for the oxygen and nutrient diffusion from small vessels and diffusion of metabolites back to the vessels. If it has a few fibers, it is loose. Dense connective tissue (dense regular, dense irregular, and elastic) What is the primary function of connective tissue? Loose connective tissue is a category of connective tissue which includes areolar tissue, reticular tissue, and adipose tissue.Loose connective tissue is the most common type of connective tissue in vertebrates. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Compare the Difference Between Similar Terms. “411 Reg Dense-Irregular Dense” By OpenStax College – Anatomy & Physiology, Connexions Web site. Loose and dense connective tissues are two types of connective tissues in our body. 2.“Loose Connective Tissue Types, Location, and Function.” Quizlet, Available here. This allows accommodating the stretch that occurs in vessels and other organs during the movements of the body. Dense connective tissue is reinforced by bundles of fibers that provide tensile … General connective tissue is either loose, or dense, depending on the arrangement of the fibres. Both dense regular and dense irregular connective tissue are inelastic. Jun 19, 2013 ( CC BY 3.0) via Commons Wikimedia, Lakna, a graduate in Molecular Biology & Biochemistry, is a Molecular Biologist and has a broad and keen interest in the discovery of nature related things, Difference Between Loose and Dense Connective Tissue, What are the Similarities Between Loose and Dense Connective Tissue, What is the Difference Between Loose and Dense Connective Tissue. In the dense connective tissue, fibroblast cells and fibres are compactly packed. A connective tissue disease is any disease that affects the parts of the body that connect the structures of the body together. There are three primary types of connective tissues and these are the proper connective tissues, supporting connective tissues, and fluid or liquid connective tissues. The three types of dense connective tissue are dense regular, dense irregular, and elastic tissues. Loose regular tissue has a fluid matrix and low proportions of arranged (regular) fibers. Presence of extracellular matrix with ground substances and fibres is the unique characteristic feature of this special tissue. Connective tissue can further be broken down into three categories: loose connective tissue, dense connective tissue, and specializ … 3. 3. Fibres and fibroblasts are compactly arranged. Thus, this is the key difference between loose and dense connective tissue. Hence, they are present in places where force is applied in one direction. The dense connective tissues are then classified into two groups known as dense irregular connective tissue and dense regular connective tissue. It also contains fewer cells and less ground substance in comparison with the other type, loose connective tissue . 1. They occur in places where vessels, nerves, and ducts pass through the tissues. 1.“Dense Connective Tissue.” Wikipedia, Wikimedia Foundation, 27 Nov. 2018, Available here. of loose and dense connective tissue, including areolar, adipose, reticular, tendons, ligaments, 09:01 dense irregular, and dense elastic tissue. Connective tissues are made up of two proteins: collagen and elastin. 1. Similarly, areolar tissue, reticular tissue, and adipose tissue are some categories of loose connective tissue. Areolar tissue provides the support framework for epithelium. 1. Fibrous connective tissues contain large amounts of collagen fibers and few cells or matrix material. Muscles are covered by layers of dense connective tissue. Vipin Sharma Biology Blogs for more information regarding every national level competitive exam in which biology is a part . The tissue is also found around and between most body organs. Besides, their location is also a distinct another difference between loose and dense connective tissue. Connective tissue proper includes loose connective tissue and dense connective tissue. Depending on the arrangement of fibres, dense connective tissue exists in two distinct forms: dense irregular connective tissue and dense regular connective tissue. On the basis of the … They are somewhat less flexible than loose connective tissue. The dense elastic tissue is the only type of dense connective tissue that is elastic and it is mainly composed of elastin fibers. Loose connective tissues are present beneath the epithelial tissue that lines the internal body surfaces, glands, and around small vessels. In the case of loose connective tissue, the cells are very loosely packed and the tissue is quite soft, in contrast with fibrous or dense connective tissue, where the fibroblasts are very densely arranged and the tissue is extremely firm. Both loose and dense connective tissues are made up of cells and extracellular matrix. Connective tissue, as the name implies, is a term given to several different tissues of the body that serve to connect, support and help bind other tissues in the body. The connective tissue can be classified into three categories. Elastic fibers. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 31. The difference between loose connective tissue and dense connective tissue is how many fibers are present in the matrix. Types of Connective Tissue. Even though fibres are not abundant in loose connective tissue, collagen fibres are the main fibre type present in loose connective tissue. – Attaches epithelium to the underlying tissues, – Provides oxygen and nutrients to the epithelium, – Forms the structural framework of the soft organs. In addition to fibroblasts, the cell population is heterogeneous, including both indigenous and emigrant connective tissue cells (see Fig. They are the Loose connective tissue, Dense connective tissue, and Specialized connective tissue.Let us take a look at all these. Connective tissue fills the surfaces between the other types of tissues in the body. They are subdivided according to the spatial arrangement of the fibres in the tissue. Moreover, loose connective tissue can be found beneath epithelial tissue that lines the internal body surfaces, glands, and around small vessels. Dense connective tissues are completely dominated by fibres. On the basis of the … 1.“Loose Connective Tissues.” Loosects, Available here. Both tissues have a variety of cell types and protein fibers suspended in a viscous ground substance. Home » Science » Biology » Histology » Difference Between Loose and Dense Connective Tissue. Tendons attach skeletal muscles to bones. 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