- December 17, 2020
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In many sources, this type is listed as connective tissue proper; however, it is found in specific locations and can fit into either category. • Examples include the dense elastic connective tissue in the vocal cords. Connective tissue diseases due to single-gene defects cause a problem in the structure and strength of the connective tissue. Dense connective tissue can be further split into: Regular dense – Collagen fibres are arranged in parallel bundles and are densely packed. Figure 4. Between the bundles are fibroblasts – Designed to withstand stress in a single direction – Seen in tendons, ligaments and aponeuroses. Dense irregular connective tissues contain irregularly arranged bundles of collagen fibres. Examples: frontal, nasals, vomers and parietals of the skull. Loose connective tissue. You cannot touch the connective tissue without touching everything else, of course. An example of dense connective tissue is the corium, or connective-tissue base of the skin. (iii) Sesamoid Bones: These bones are formed in the tendons at the joints. As the name implies, connective tissues often bind other organs together, hold organs in place, cushion them, and fill space. Muscle cells or myocytes are the basic units of the muscle tissue. The collagen fibres are present in rows, in between many parallel bundles of fibres in a dense regular tissue. Dense Connective Tissue. Muscle tissue mainly facilitates body movements and locomotion. Dense connective tissue: this is composed of densely packed fibers that are mostly collagen and has less ground substance with sparse fibrocytes. cardiac muscle. A connective tissue disease is any disease that affects the parts of the body that connect the structures of the body together. Intercalated discs and pacemaker cells are characteristic of _____ tissue. Both tissues have a variety of cell types and protein fibers suspended in a viscous ground substance. Dense irregular elastic tissues give arterial walls the strength and the ability to regain original shape after stretching (Figure 4). In contrast, specialized tissue consists of the adipose tissue, hematopoietic tissue, bone tissue, and blood tissue. Dense Connective Tissue (a) Dense regular connective tissue consists of collagenous fibers packed into parallel bundles. It is a dense connective tissue, with its extracellular substance consisting of parallel or irregularly arranged bundles of fibers with few cells and little ground substance. Connective tissue, group of tissues that maintain the form of the body and its organs and provide cohesion and internal support. In regularly arranged connective tissue the fibers are arranged in certain patterns. References. It takes various forms as it supports, insulates, and protects the body. Dense connective tissues include bone, joint capsule, ligament, tendon, and fascia.1,8,9 The approximate healing timeline for dense connective tissues in the inflammatory phase is from 1 to 4 weeks, the proliferation phase is from 4 to 8 weeks, and the … Dense connective tissue is found in many structures in the human body including tendons and ligaments. dense irregular connective tissues _____ resist tension from many directions . tendons and ligaments _____ has the same elements as dense regular, but bundles of collagen are thicker and irregularly arranged. They protect the body. What is an example of dense irregular connective tissue? The dermis of the skin is an example of dense irregular connective tissue rich in collagen fibers. Dense regular connective tissue is also known as Regular Fibrous Connective Tissue and it is a type of general connective tissues consisting of type I collagen bundles that are arranged according to a definite pattern in which the fibers and fibroblasts align parallel to prolonged resistant forces that are exerted in the same direction. Example: patella (knee-cap). Loose and dense connective tissues are two categories of connective tissues. Dense irregular elastic tissues give arterial walls the strength and the ability to regain original shape after stretching (). Their main function is to support and transmit mechanical forces. Dense regular tissue is found in tendons, ligaments, and muscle fascia. What composes dense regular connective tissue? The dermis of the skin is an example of dense irregular connective tissue rich in collagen fibers. Connective tissue has a wide variety of functions that depend on the types of cells and the different classes of fibers involved. The connective tissue proper is further divided as loose connective tissue and dense connective tissue. It includes fibrous tissues, fat, cartilage, bone, bone marrow, and blood. 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. Each of the following is an example of dense connective tissue except-areolar tissue. Collagen is a protein found in the tendons, ligaments, skin, cornea, cartilage, bone and blood vessels. Blood and lymph are fluid connective tissues. fascia, have a rich supply of afferent nerve endings. Dense connective tissue is reinforced by bundles of fibers that provide tensile strength, elasticity, and protection. The connective tissue mainly consists of blood, bones, and areolar tissue. So do your kidneys, your heart, and all your organs. The dense connective tissue can be further classified into dense regular and dense irregular connective tissue, depending on the regularity/irregularity of the collagen fibres. Connective tissue is present throughout the human body and serves a variety of crucial functions beyond connecting body parts. Connective tissues (CT) are tissues that connect, support, anchor, or separate different tissues or organs within the body. Click here to find out more about the three different types of connective tissue.. Connective tissue is the most abundant, widely distributed, and varied type. Dense Connective Tissue. This type of connective tissue occurs in tendons, fasciae, ligaments, and the sclera of the eye. 1. A type of intercellular junction that stops materials from crossing an epithelium between cells is called a(n)-tight junction . 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. The dermis of the skin is an example of dense irregular connective tissue rich in collagen Fluid Connective Tissue. The type of connective tissue shown in this photograph is is a type of loose connective tissue. (a) Dense regular connective tissue consists of collagenous fibers packed into parallel bundles. (iv) Visceral Bones: These are formed in the soft organs (= viscera). Connective tissue includes several types of fibrous tissue that vary only in their density and cellularity, as well as the more specialized and recognizable variants, such as bone. Connective Tissue. Dense Connective Tissue. (Figure 4-19) skeletal muscle. • A genetic condition called Marfan syndrome results from, in part the inability to properly maintain and form elastic fibers. Dense Connective Tissue: It is of two types; dense regular connective tissue and dense irregular connective tissue. Tendons and ligaments fall under this tissue category. They provide internal support as well as give and maintain form to the body. The connective tissue can be found everywhere in the body. Connective tissues are made up of two proteins: collagen and elastin. Summary – Loose vs Dense Connective Tissue. dense irregular connective tissues _____ forms sheets rather than bundles. Blood. Areolar tissue IS fibrous connective tissue, but there are also other kinds—reticular, dense irregular, and dense regular fibrous connective tissues. It contains collagen fibres, fibroblasts and adipocytes (these cells are 'empty looking' as the process of making the stained section extracts the lipid from these cells). Connective tissue is classified into two categories. Connective tissue proper includes loose connective tissue and dense connective tissue. MTY1102- CHAPTER 4- LECTURE OUTLINE • Dense elastic connective tissue has abundant elastic fibers among its collagen fibers. DEFINITION “Connective tissues (CT) are a group of tissues which connects or binds other tissues … Dense irregular connective tissue also makes up submucosa of the digestive tract, fibrous capsules of joints and lymph nodes, and some types of fascia. It is one of four main classes of tissue in the body, with nervous tissue, muscle tissue, and epithelial tissues accounting for the other three. 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. By signing up, you'll get thousands of step-by-step solutions to your homework questions. The human body is composed of just four basic kinds of tissue: nervous, muscular, epithelial, and connective tissue. Connective tissue proper includes loose connective tissue and dense connective tissue. The various sensory receptors transmit information to the central nervous system about changes in length and tension which allows con-stant monitoring of the position and movement of a joint as well as of injurious conditions that threaten these structures. Dense connective tissue; Loose Connective tissue: this is composed of loosely arranged fibers and abundant ground substance; it is well vascularized and provides blood supply to nearby epithelial tissues. An example of a dense regular connective tissue is a tendon. Connective tissue is a term used to describe the tissue of mesodermal origin that that forms a matrix beneath the epithelial layer and is a connecting or supporting. What is Muscle Tissue? They are somewhat less flexible than loose connective tissue. Answer to: Give examples of dense connective tissues. Other examples include periosteum and perichondrium of bones, and the tunica albuginea of testis. Dense connective tissue is dense because of the high proportion of fibers that run parallel to each other. Which muscle tissue consists of multinucleate cells? Cliff Notes: Connective Tissue; Histology, Microscopic Anatomy: Connective Tissue; About the Author. Your liver has a certain volume and shape, for instance. Dense connective tissues, for example, ligaments, tendons and . The achilles tendon must be strong. Irregular dense – Collagen fibres are arranged in bundles orientated in various directions. The inner organs, however, cannot really be changed with direct hand contact. In the dense connective tissue, fibroblast cells and fibres are compactly packed. examples of dense regular connective tissue. • The elastic fibers allow the tissue to stretch and recoil. Connective tissues connect and help hold our body together. Connective tissue 1. www.slideshare.net 2. 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