Adipose tissue is specialised to store fats. 3. Types of Connective Tissue. Loose (areolar connective tissue) is the most abundant form of collagenous connective tissue. Connective tissue proper includes loose connective tissue and dense connective tissue. ? What are the Similarities Between Loose and Dense Connective Tissue       – Outline of Common Features 4. It mainly surrounds the blood vessels and nerves. If it has a few fibers, it is loose. The dense regular and irregular connective tissue are shown in figure 2. - It holds organ in place and attaches epithelial tissue to other underlying tissues. That means dense connective tissue consists of numerous protein fibers in the matrix. Dense Connective Tissue. However, it consists of many cells. It consists of loosely arranged fibres and cells. Overview and Key Difference Dense Connective Tissue: The dense connective tissue mainly contains fibrocytes. Even though fibres are not abundant in loose connective tissue, collagen fibres are the main fibre type present in loose connective tissue. The tissue is also found around and between most body organs. It also contains fewer cells and less ground substance in comparison with the other type, loose connective tissue . They are somewhat less flexible than loose connective tissue. 2. Loose Connective Tissue. Non-specialized or general connective tissue, sometimes called connective tissue proper, is subdivided into two groups: loose and dense. ? In summary, areolar tissue is tough, yet flexible, and comprises membranes. 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. Reticular, collagen, and elastin are the three types of protein fibers that specifically occur in the connective tissue. Dense Connective Tissue: Dense connective tissue produces tendon and ligaments by forming strong, rope-like structures. 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. It forms structures like tendons in which the forces are directed in a single direction. The location and the function of each type of loose connective tissue are described in table 1. Depending on the arrangement of fibres, dense connective tissue exists in two distinct forms: dense irregular connective tissue and dense regular connective tissue. 2.“Loose Connective Tissue Types, Location, and Function.” Quizlet, Available here. Moreover, few loosely arranged fibres can be found in loose connective tissue, whereas in the dense connective tissue, fibres are abundant and densely arranged. What is the Difference Between Cuboidal and Columnar... What is the Difference Between Blood Brain Barrier... What is the Difference Between Villi and Microvilli. 2. Areolar and adipose connective tissues also absorb the shocks to protect the internal body tissues. The areolar tissue and the adipose tissue are classified under the loose connective tissue. Since the loose and dense connective tissues are part of the connective tissue, people get confused regarding the main differences between them. Elastic fibers. Fibroblasts are widely dispersed in the loose connective tissue, secreting protein fibers and proteoglycans to the extracellular matrix. ADIPOSE TISSUE 28. There are four types of basic tissues in the human body: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Dense connective tissue is reinforced by bundles of fibers that provide tensile strength, elasticity, and protection. In addition to fibroblasts, the cell population is heterogeneous, including both indigenous and emigrant connective tissue cells (see Fig. – Attaches epithelium to the underlying tissues, – Provides oxygen and nutrients to the epithelium, – Forms the structural framework of the soft organs. 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. 28.1). 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. Therefore, the main difference between loose and dense connective tissue is the density of fibers in the extracellular matrix in each type of connective tissue. In addition to fibroblasts, the cell population is heterogeneous, including both indigenous and emigrant connective tissue cells (see Fig. Dense Connective Tissue: The three types of dense connective tissue are dense regular, dense irregular, and elastic tissue. The bands called tendons and capsules in the joints are formed by dense connective tissue. In dense regular tissue, the fibre arrangement is parallel to each other in one direction. Thus, this is the key difference between loose and dense connective tissue. Table 5.1 lists some of the subcategories of connective tissue proper, along with some of their characteristics and properties. This allows accommodating the stretch that occurs in vessels and other organs during the movements of the body. Fibres and fibroblasts are compactly arranged. Therefore, the dense elastic tissue is yellow in color while other dense connective tissues are white in color. The dense regular connective tissue contains parallelly arranged collagen fibers in a single direction. Both dense regular and dense irregular connective tissue are inelastic. It holds organs in place and attaches epithelial tissue to other underlying tissues. The most abundant types of loose connective tissue are areolar and adipose. Learn vocabulary, terms, and more with flashcards, games, and other study tools. I. loose connective tissue 1. TENDON L.S. Loose Connective Tissue: Loose connective tissue consists of many cells. Loose Connective Tissue: Loose connective tissue consists of loosely arranged fibers. There are four types of basic tissues in the human body: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. In dense irregular connective tissue the fibres do not show a clear orientation within the tissue but instead form a densely woven three-dimensional network. Loose connective tissue is the most abundant type. Loose connective tissue and dense connective tissue are the two types of connective tissues in the body. In addition, they provide structural support and connect various tissues and organs in our body. 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. It also helps to supply nutrients and oxygen to the epithelial tissue. The difference between regular connective tissue and irregular connective tissue. They are the Loose connective tissue, Dense connective tissue, and Specialized connective tissue.Let us take a look at all these. 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. Loose and Dense Irregular Connective Tissue. In proper connective tissues, the matrix is soft, less rigid and shows varying degree of toughness. What is Dense Connective Tissue       – Definition, Characteristics, Function 3. 1.“Dense Connective Tissue.” Wikipedia, Wikimedia Foundation, 27 Nov. 2018, Available here. All rights reserved. The cells sit in a matrix made up of glycoproteins, fibrous proteins and glycosoaminoglycans , which have been secreted by the fibroblasts, and the major component of the matrix, is in fact, water. “Dense connective tissue-400x” By J Jana – Own work (CC BY-SA 4.0) via Commons Wikimedia, Filed Under: Biology Tagged With: Dense Connective Tissue, loose connective tissue. TENDON L.S. Fibres are abundant and densely arranged in dense connective tissue, though it has the same cells, ground substance, and fibres as loose connective tissue. 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Loose connective tissues are present beneath the epithelial tissue that lines the internal body surfaces, glands, and around small vessels. A good example is the dermis of the skin. Loose and dense connective tissues are two categories of connective tissues. 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. Loose Connective Tissue: Loose connective tissue is a type of connective tissue that surrounds blood vessels, nerves, and organs, holding the epithelium and organs in place. The main difference between loose connective tissue and dense connective tissue is that loose connective tissue consists of protein fibers packed with spaces whereas dense connective tissue consists of tightly packed protein fibers. Their main function is to support and transmit mechanical forces. Summary. Dense connective tissue is reinforced by bundles of fibers that provide tensile strength, elasticity, and protection. It also contains fewer cells and less ground substance in comparison with the other type, loose connective tissue . The structure of connective tissue varies from soft gel-like loose (areolar) connective tissue to hard bones. They are spindle-shaped cells and are scattered mostly throughout the matrix. Loose connective tissue consists of a sparse extracellular matrix of hyaluronan and proteoglycans supported by a few collagen fibrils and elastic fibrils. Tendons are an example of dense connective tissue. “411 Reg Dense-Irregular Dense” By OpenStax College – Anatomy & Physiology, Connexions Web site. If it has a lot of fibers, it is dense. What is Dense Connective Tissue Moreover, loose connective tissue can be found beneath epithelial tissue that lines the internal body surfaces, glands, and around small vessels. General connective tissue is either loose, or dense, depending on the arrangement of the fibres. Similarities Between Loose and Dense Connective Tissue Side by Side Comparison – Loose vs Dense Connective Tissue in Tabular Form Connective tissue has a wide variety of functions that depend on the types of cells and the different classes of fibers involved. Both tissues have a variety of cell types and protein fibers suspended in a viscous ground substance. The main fiber component of the dense connective tissue is the collagen fibers. 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. Accessed 10 Sept. 2017. AREOLAR TISSUE 26. in Molecular and Applied Microbiology, and PhD in Applied Microbiology. Dense connective tissues are completely dominated by fibres. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Considering its structure and the wide variety of functions, the connective tissue is the most known diverse tissue out of all basic tissues. 1. 31. 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 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.. Dense connective tissue is enriched in collagen fibers with little ground substance. They occur in places where vessels, nerves, and ducts pass through the tissues. The connective tissue proper is further divided as loose connective tissue and dense connective tissue.In contrast, specialized tissue consists of the adipose tissue, hematopoietic tissue, bone tissue, and blood tissue. The dermis contains the largest single mass of dense connective tissue. Home » Science » Biology » Histology » Difference Between Loose and Dense Connective Tissue. Loose and dense connective tissues are two types of connective tissues in our body. Loose connective tissue. To protect, support, insulate, and bind other tissues of the body. What is Loose Connective Tissue 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. Dense connective tissue is reinforced by bundles of fibers that provide tensile … Tendons are an example of dense connective tissue. Connective tissue is made up of cells and their extracellular matrix. 1. 4. Loose Connective Tissue: Loose connective tissue is a type of connective tissue that surrounds blood vessels, nerves, and organs, holding the epithelium and organs in place. Dense Connective Tissue: Dense connective tissue consists of a fewer cells. The difference between loose connective tissue and dense connective tissue is how many fibers are present in the matrix. Dr.Samanthi Udayangani holds a B.Sc. Both loose and dense connective tissues are made up of cells and extracellular matrix. ADIPOSE TISSUE 27. Thus, this is the summary of the difference between loose and dense connective tissue. Loose connective tissue (areolar, adipose, reticular) 2. of loose and dense connective tissue, including areolar, adipose, reticular, tendons, ligaments, 09:01 dense irregular, and dense elastic tissue. ; Dense connective tissue helps attach muscles to bones and link bones together at joints. Hence, they are present in places where force is applied in one direction. Collagen is a protein found in the tendons, ligaments, skin, cornea, cartilage, bone and blood vessels. Accessed 10 Sept. 2017. Degree in Plant Science, M.Sc. Fibrous connective tissues contain large amounts of collagen fibers and few cells or matrix material. The tissue is also found around and between most body organs. Connective tissue mainly provides structural support to the soft organs. Vipin Sharma Biology Blogs for more information regarding every national level competitive exam in which biology is a part . The fibers can be arranged irregularly or regularly with the strands lined up in parallel. “Anatomy and physiology of animals loose connective tissue” By The original uploader was Sunshineconnelly at English Wikibooks – Transferred from en.wikibooks to Commons by Adrignola using CommonsHelper. Loose and dense connective tissues are two important categories among them. The dermis of the skin is composed of loose connective tissue interfacing with an underlying dense irregular connective tissue. What is the Difference Between Loose and Dense Connective Tissue       – Comparison of Key Differences, Key Terms: Adipose, Areolar, Collagen, Dense Connective Tissue, Dense Irregular, Dense Regular, Elastin, Loose Connective Tissue, Reticular. Loose Connective Tissue: The three types of loose connective tissue are areolar, adipose, and reticular tissue. Connective tissue Adult Ordinary Loose Areolar Adipose Reticular Dense Regular Tendon Ligament Aponeurosis Irregular Subcutaneous tissue Specialized Blood Cartilage Bone Fetal 24. 5. Areolar tissue, found in the hypodermis of the skin and below the epithelial layers of the digestive, respiratory, and urinary tracts, is a loose connective tissue proper, as is adipose tissue, also known as fat. The extracellular matrix consists of protein fibers and polysaccharides. -It plays a significant role in the diffusion of gases, nutrients and metabolic wastes between the cells and the vessels that perfuse the tissue. “Normal Epidermis and Dermis with Intradermal Nevus 10x” By Kilbad – Own work (Public Domain) via Commons Wikimedia The difference between loose connective tissue and dense connective tissue is how many fibers are present in the matrix. Dense connective tissue (dense regular, dense irregular, and elastic) What is the primary function of connective tissue? 30. Loose connective tissue Loose connective tissue. Their main function is to support and transmit mechanical forces. 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. Dense routine connective tissue is identified by an abundance of securely loaded collagen fibers and fairly couple of cells The collagen fibers exist in big packages that are “frequently” set up, indicating they are normally parallel to each other. 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. The dense elastic tissue is the only type of dense connective tissue that is elastic and it is mainly composed of elastin fibers. The three types of loose connective tissue are areolar, adipose, and reticular tissues. Accessed 10 Sept. 2017. This video explains how dense connective tissue differs from loose connective tissue. Image Source: jotscroll.com Different Types (Examples) and their Functions. Loose and dense connective tissues are the two types of connective tissue in the human body. Loose and dense connective tissues are the two types of connective tissues that are found in animals. The connective tissue can be classified into three categories. The lungs and arteries have a layer of elastic connective tissue … Difference Between Cell Migration and Invasion, What is the Difference Between Duster and Trench Coat, What is the Difference Between Coat and Jacket, What is the Difference Between Cape and Poncho, What is the Difference Between Postulates and Theorems, What is the Difference Between Dependency Theory and Modernization Theory, What is the Difference Between Oak and Birch. Loose connective tissue is found around every blood vessel, helping to keep the vessel in place. Areolar connective tissue – The areolar connective tissue is a loose array of fibers consists of various types of cells. There are two types of dense connective tissues as dense irregular connective tissue and dense regular connective tissue. Since the loose and dense connective tissues are part of the connective tissue, people get confused regarding the main differences between them. Picture 6: A closer look at dense regular connective tissues. Dense Connective Tissue: Dense connective tissue consists of numerous, thick fibers. The difference between regular connective tissue and irregular connective tissue. We also talked about the three cartilage types, The loose connective tissue is classified based on the type of protein fibers in the extracellular matrix and the weave of the fibers. A reolar or loose connective tissue is the most abundant connective tissue proper, characterized by an irregular organization of abundant and not dense extracellular matrix containing scattered cells. In dense irregular connective tissue, the fibres have no specific direction of the arrangement. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright © 2010-2018 Difference Between. Similarly, areolar tissue, reticular tissue, and adipose tissue are some categories of loose connective tissue. Connective tissue fills the surfaces between the other types of tissues in the body. Compare the Difference Between Similar Terms. 2019. 3. Since the dense connective tissue is resistant to stretch, it provides strength to organs and tissues. Another significant difference between loose and dense connective tissue is that loose connective tissue has more vessels than dense connective tissue. The most characteristic feature of areolar and adipose tissues is their elasticity. The dense connective tissues are then classified into two groups known as dense irregular connective tissue and dense regular connective tissue. It occurs in small, elongated bundles separated by regions that contain ground substance. 3. Loose connective tissue is a type of connective tissue with loosely arranged collagen fibers. Terms of Use and Privacy Policy: Legal. U can like my Facebook page ie. loose connective tissue; dense connective tissue; cartilage; bone tissue; liquid connective tissue; Loose connective tissue. Therefore, they are present in places where stress occurs in multiple directions. The dense elastic tissue occurs in the organs that exhibit continuous expansions and contractions such as lung tissue and blood vessels. (CC BY 2.5) via Commons Wikimedia 2. Fibroblasts lie in rows between the collagen packages. is how the fibers are arranged. There are three main groups of connective tissues: Loose connective tissue holds organs in place and attaches epithelial tissue to other underlying tissues. Areolar tissue, reticular tissue, and adipose tissue are some categories of loose connective tissue. In the dense connective tissue, fibroblast cells and fibres are compactly packed. is how the fibers are arranged. Presence of extracellular matrix with ground substances and fibres is the unique characteristic feature of this special tissue. The dense connective tissue is the type of connective tissue in which the main matrix component is the protein fibers. This toluidine blue-stained section shows the elastic fibers to advantage. 28.1). Her research interests include Bio-fertilizers, Plant-Microbe Interactions, Molecular Microbiology, Soil Fungi, and Fungal Ecology. Loose connective tissue contains loosely-arranged fibers whereas dense connective tissue contains heavily-arranged fibers. ADIPOSE Ts SUDAN IV 29. 3. Tendons attach skeletal muscles to bones. Loose Connective Tissue. 1. The three types of dense connective tissue are dense regular, dense irregular, and elastic tissues. The loose connective tissue is more cellular, with smaller caliber collagen and elastic fibers than the coarser, dense irregular connective tissue. Both tissues have a variety of cell types and protein fibers suspended in a viscous ground substance. AREOLAR TISSUE 25. Connective tissues are made up of two proteins: collagen and elastin. 1. Fibrous Connective Tissue. (E) Mucoid Connective Tissue: In addition to above mentioned connective tissues, mucoid tissue occurs as a foetal or embryonic connective tissue. 2. ; Specialized connective tissue encompasses a number of different tissues with specialized cells and unique ground substances. 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. Also, dense regular tissue has further two types as dense collagenous connective tissue and dense elastic connective tissue. The ECM is composed of a moderate amount of ground substance and two … 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 three types of dense connective tissue are regular, irregular, and elastic tissue. 1. They are somewhat less flexible than loose connective tissue. Its viscous gel-like nature is important for the oxygen and nutrient diffusion from small vessels and diffusion of metabolites back to the vessels. In summary, areolar tissue is tough, yet flexible, and comprises membranes. The major cell type in the loose connective tissue is fibroblasts, which produce and maintain the fibres and ground substance of the matrix. 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). The lamina propria of this fallopian tube is pale pink. The dense connective tissues are then classified into two groups known as dense irregular connective tissue and dense regular connective tissue. ; cartilage ; bone tissue ; types of dense connective tissue reticular.. Are then classified into three categories us take a look at dense regular, dense regular, dense irregular tissue. Which Biology is a protein found in animals movements of the body table 5.1 lists some of the body Quizlet. Thus, this is the primary function of connective tissue and blood vessels for information... Flexible than loose connective tissue and dense connective tissues are then classified into two groups known as dense irregular tissue... ) 2 mainly contains fibrocytes a part the structures of the body loose, or dense depending. To advantage arranged ( regular ) fibers of connective tissue color while other dense connective tissue is by..., leaving large spaces in between functions, the dense connective tissue: loose and dense connective tissue ) the... Biology is a type of connective loose and dense connective tissue are two types of connective is... Helps to supply nutrients and oxygen to the soft organs the parts of the connective tissue is a part:! 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