The lungs and arteries have a layer of elastic connective tissue … Blood is composed of blood corpuscles (45%) and blood plasma(55%) An average person has 5-6 ltr of blood. Collagen, the most prevalent connective tissue protein becomes stronger with increasing maturity in animals, but can be made tender by moist cookery. Elastin is a stretchy protein that resembles a rubber band and is the major component of ligaments and skin. This tissue acts as a barrier that regulates the substances that enters and exits the surfaces. Connective tissues are characterized by abundant amounts of extracellular matrix in which a variety of cell types are dispersed. It is composed of proteoglycans and cell adhesion proteins that allow the connective tissue to act as glue for the cells to attach to the matrix. Objective: To describe the clinical characteristics of connective tissue nevi on the trunk and extremities of patients with tuberous sclerosis complex. These vary in their abundance and are free to migrate through the extracellular spaces. Click here to let us know! Although it is the most abundant and widely distributed of the primary tissues, the amount of connective tissue in a particular organ varies. Gaurab Karki Structural Characteristics: Connective tissue (CT) is one of the four basic types of animal tissue, along with epithelial tissue, muscle tissue, and nervous tissue. Characteristics Ground substance is a clear, colorless, and viscous fluid containing glycosaminoglycans and proteoglycans to fix the collagen fibers in e intercellular spaces. It is among one of the four basic cells of the animal body. The ECM is composed of a moderate amount of ground substance and two … Areolar (loose) Connective Tissue. There are four basic tissue types defined by their morphology and function: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. 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. Loose connective tissue is found around every blood vessel, helping to keep the vessel in place. Start studying Connective Tissue Characteristics. Connective tissue - Connective tissue - Ground substance: The amorphous ground substance of connective tissue is a transparent material with the properties of a viscous solution or a highly hydrated thin gel. Three types of fibers are found in connective tissue: Collagen: Collagen fibers are the strongest and most abundant of all the connective tissue fibers. The non-cellular component of connective tissue is called the extracellular matrix. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The LibreTexts libraries are Powered by MindTouch ® and are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Connective tissue (CT) is a one of the four main classes of tissues. Included in this category are the following conditions, which are often handled by a medical specialist called a rheumatologist: These two diseases are related. Epithelial tissue is present just below the basement membrane, while connective tissues are found all around the body, along with the nervous system, separating and supporting the various tissues and organs. Anatomy & Physiology CONNECTIVE TISSUES Characteristics: • Cells far apart • Contain large amounts of extracellular matrix • Classified based on type of extracellular matrix and function (Ex. It binds various tissue together like skin with the muscles and muscles with bones, It form inter cellular substance between cells of different types of tissue, so that help in friction less movement of the body organ, It forms sheaths around the body organs and make a kind of packaging tissue, The areolar tissue protects the body against wound and infection, The adipose tissue stores fats and insulates the body against heat loss, The supportive tissue forms shape and the frame work of the body, The lymphatic tissue helps in body immunity, White fibrous tissue ( tendon and sheath). Collagen (/ ˈ k ɒ l ə dʒ ɪ n /) is the main structural protein in the extracellular matrix found in the body's various connective tissues.As the main component of connective tissue, it is the most abundant protein in mammals, making up from 25% to 35% of the whole-body protein content. Location. Although it is the most abundant and widely distributed of the primary tissues, the amount of connective tissue in a particular organ varies. This tissue is the principal component of tendons and ligaments. Collagenous connective tissue is divided into two types, based upon the ratio of collagen fibers to ground substance. Cartilage is a type of supporting connective tissue. Adipose tissue is a specialized connective tissue consisting of lipid-rich cells called adipocytes. What are the histological characteristics of connective tissues? Dense Connective Tissue: The three types of dense connective tissue are dense regular, dense irregular, and elastic tissue. Common characteristics of CT. Common origin. DEFINITION “Connective tissues (CT) are a group of tissues which … 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. As the name suggest connective tissue is a tissue that connects the different cell and structure of the body. 4.3A: Characteristics of Connective Tissue, [ "article:topic", "license:ccbysa", "showtoc:no" ], https://med.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fmed.libretexts.org%2FBookshelves%2FAnatomy_and_Physiology%2FBook%253A_Anatomy_and_Physiology_(Boundless)%2F4%253A_Organization_at_the_Tissue_Level%2F4.3%253A_Connective_Tissue%2F4.3A%253A_Characteristics_of_Connective_Tissue, Describe the main characteristics and functions of connective tissue. Dense connective tissue contains more collagen fibers than loose connective tissue. Start studying Connective Tissue Characteristics. Connective Tissue: Connective tissue is found in adipose, bone, ligaments, tendons, nerves, cartilage and muscles. They are secreted by the surrounding connective tissue cells. Loose connective tissue (LCT), also called areolar tissue, belongs to the category of connective tissue proper.Its cellular content is highly abundant and varied. Legal. Its principal constituents are large carbohydrate molecules or complexes of protein and carbohydrate, called glycosaminoglycans (formerly known as mucopolysaccharides). Cartilage is a dense connective tissue, … Like to the timber framing of a house, the connective tissue … Epithelial Tissue: Epithelial tissue is found in the skin, glands, organs, mucous membranes, and organs like kidney and lungs. They support and protect the body. Although it is the most abundant and widely distributed of the primary tissues, the amount of connective tissue in a particular organ varies. Function Loose Connective Tissue: The major function of the loose connective tissue is to serve as a supporting matrix for the blood vessels, lymphatic vessels, nerves, muscle fibers, organs, and the skin. Fluid or liquid connective tissue: blood and lymph 1. Undifferentiated connective tissue disease(s): Conditions that have characteristics of connective tissue diseases but do not meet the guidelines to be defined as a particular time. Objective: To elucidate the clinical features of connective tissue disease associated interstitial lung disease (CTD-ILD) in children.Methods: A total of 24 children diagnosed with CTD-ILD and treated in Department of Rheumatology and Immunology, Shanghai Children's Medical Center from January 2010 to December 2019 were included in the study. Connective tissue has three main components: Together the ground substance and fibers make up the extracellular matrix. Collagen is a protein found in the tendons, ligaments, skin, cornea, cartilage, bone and blood vessels. It serves to connect and support other tissues and also has regulatory and immunologic functions. Connective tissue is the most abundant type of tissue in the body. Figure 3: Adipose tissue Dense connective tissues. Location. Connective tissue is incredibly diverse and contributes to energy storage, the protection of organs, and the body’s structural integrity. The connective tissue massage is a type of massage that involves putting into practice particular manipulation techniques that aim to reach and stimulate the deeper tissues, which is, in fact, the connective tissue. Characteristics. Like to the timber framing of a house, the connective tissue … Examples of non-fibrous connective tissue include adipose tissue and blood. Ground substance is an aqueous gel of glycoproteins and proteoglycans that occupies the space between cellular and fibrillar elements of the connective tissue. Connective tissue has three main components: cells, fibers, and ground substance. Connective tissue fibers provide support. This offers great diversity in the types of connective tissue. Connective tissue (CT) is a one of the four main classes of tissues. It is a mixture of glycoproteins, glycoaminoglycans (such as hyaluronic acid), and proteoglycans. Forms the external and internal surface of the organs. The organic matrix is materially similar to other connective tissues, including some amount of collagen and elastic fibers. They are a loose array of random fibers that has a wide variety of … These conditions are called autoimmune diseases. By the end of this section, you will be able to: Identify and distinguish between the different type of connective tissue: proper, supportive, and fluid – … Dense connective tissue is composed of large amounts of closely packed collagenous fibers. Ground substance is a clear, colorless, viscous fluid that fills the space between the cells and fibers. dense CT and cartilage are avascular. Some of these tissues are solid and strong, while others are fluid and flexible. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Connective tissue has three main components: Collagen Fibers. Three general characteristics of connective tissue are that they are highly vascularized, they recover well from damage and they possess a lot of non-cellular material. Connective tissue includes tissues … Variable degrees vascularly: some types of connective tissue have a rich supply of blood vessels, other is poorly-vascularized e.g. https://www.massageschoolnotes.com/connective-tissue-characteristics Connective tissue (CT) is a one of the four main classes of tissues. This matrix is composed of proteins and sugars that bathe the cells present in the tissues, though the majority of the matrix is water. Reticular protein fibers are thin but form a web-like arrangement. Cells of general connective tissues can be separated into the resident cell population (mainly fibroblasts) and a population of migrant cells with various defensive functions (macrophages, lymphocytes, mast cells, neutrophils and eosinophils), which may change in number and moderate their activities according to demand. The proportions of these components vary from one part of the body to another depending on the local structural requirements. Blood Plasma: It is pale yellow liquid, composed of 90% water and 10% inorganic and organic substances. Collagen fibers are fibrous ... Elastic Fibers. Collagenous connective tissue is divided into two types, based upon the ratio of collagen fibers to ground substance. Dense Regular Connective Tissue Dense White Fibrous CT Connective Tissue Lots of collagen fibers, all running in the same direction lending it strength Function: Connects structures that need a strong bond Found tendons ligaments organ capsules dermis. The tissue is also found around and between most body organs. Connective tissue 1. www.slideshare.net 2. Adipose tissue gives "mechanical cushioning" to the body, among other functions. Elastic protein fibers are thin. Examples include adipose, cartilage, bone, blood, and lymph. Have questions or comments? Matrix may be jelly like, soft or hard and fragile. Dermatomyositis causes inflammation of the skin. It has both collagen and elastic fibers, which provide great tensile strength and elasticity in one direction. Adipose tissue is a lipid-storing type of loose connective tissue.Also called fat tissue, adipose is composed primarily of adipose cells or adipocytes. At the end of this class you should be able to… • Describe characteristics & components of CT • Classify CT • Correlate CT type with their function 3. Three characteristics of connective tissue are as follows: All connective tissues consist of loosely arranged cells that are separated from each other by an abundant extracellular matrix. Dense (fibrous) connective tissue: White fibrous tissue ( tendon and sheath) Yellow elastic tissue (Ligament) The amount of connective tissue, the type of connective tissue proteins present, and the maturity of connective tissue present in muscle all influence tenderness of cooked meat. It is specialized tissue found in the central nervous system and the peripheral nervous system. Dense regular connective tissue (Figure 4) has fibers arranged in neatly organized, parallel bundles. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. 0. In summary, areolar tissue is tough, yet flexible, and comprises membranes. The fibres are loose and very elastic in nature. (adsbygoogle = window.adsbygoogle || []).push({}); Types of epithelial tissue:  simple, compound and specialized, Fluid or liquid connective tissue: blood and lymph, Copyright © 2021 | WordPress Theme by MH Themes, Connective tissues are the major supporting tissue of the body. Ground substance is an aqueous gel of glycoproteins and proteoglycans that occupies the space between cellular and fibrillar elements of the connective tissue. Connective tissues can have various levels of vascularity. Examples of specialized connective tissue include blood, bone, cartilage and lymphoid tissue. Photo taken by Dr. S. Desai This is a photo of a tendon. What three characteristics does connective tissue provide to the skin? Functions: The pigmented connective tissue gives colour to the structures. Connective Tissue: Connective tissue is found in adipose, bone, ligaments, tendons, nerves, cartilage and muscles. Blood is a connective tissue and it carries and delivers oxygen and nutrient to tissues. The connective tissue massage is a type of massage that involves putting into practice particular manipulation techniques that aim to reach and stimulate the deeper tissues, which is, in fact, the connective tissue. It is thicker and stronger than loose connective tissue and forms a protective capsule layer around organs such as the liver and kidneys. A tissue is a group of cells, in close proximity, organized to perform one or more specific functions.. Connective tissue is derived from the third germ layer, the mesoderm, which is the same source of origin of muscle tissue. Connective tissue is one of the four main tissue types; the others are epithelial tissue, muscle tissue and nervous tissue. If there is little space between protein fibers, the tissue is likely one of the dense connective tissues. Stronger with increasing maturity in animals, but can be made tender by cookery. 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