connective tissue Connective Tissue In between are types of connective tissue with di!erent mechanical properties. Bone: spongy bone and compact bone; 1. Most connective tissue, including bone, is highly vascular. Cartilage is a flexible connective tissue found in many areas in the bodies of humans and other animals, including the joints between bones, the rib cage, the ear, the nose, the elbow, the knee, the ankle, the bronchial tubes, and the intervertebral discs. The functions of bone are described in chapter 3 (The skeleton). Bone tissue is either spongy or compact depending on the organization of the cells and matrix. Bone, also referred to as osseous tissue, can either be compact (dense) or spongy (cancellous), and contains the osteoblasts or osteocytes cells. • Compare the interrelationship of epithelial and connective tissue through a study of the skin. Cartilage and Bone are specialised forms of connective tissue. Bony trabeculae in spongy bone structure #4. Parts of the skeleton form during the first few weeks after conception.By the end of the eighth week after conception, the skeletal pattern is formed in cartilage and connective tissue membranes and ossification begins. A ligament is a fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable. This group includes related tissues that form our tendons, body fat, bones, and cartilage. Learning Targets. Bone is a mineralized connective tissue that exhibits four types of cells: osteoblasts, bone lining cells, osteocytes, and osteoclasts [1, 2]. forms tendons, ligaments, aponeuroses (muscle to muscle or muscle to bone) Loose connective tissue (structure and Location) (3) Fibers loosely intertwined between cells. These tissues can usually divide, and have varying degrees of vascularity. This video covers the structure and function of compact bone. It is Flat bones, like those of the cranium, consist of a layer of diploë (spongy bone), lined on either side by a layer of compact bone ( (Figure) ). Another type of connective tissue is dense or fibrous connective tissue, which can be found in tendons and ligaments. transport of materials. osseous (bone) connective tissue. Bone, also referred to as osseous tissue, can either be compact (dense) or spongy (cancellous), and contains the osteoblasts or osteocytes cells. The cells of the bone are known as osteocytes. Part 1: Overview of Connective Tissue: This is the most abundant tissue in the body with widespread distribution. In humans, adipose tissue is located beneath the skin (subcutaneous fat), around internal organs (visceral fat), in bone marrow (yellow bone marrow), and in breast tissue. These structures help attach muscles to bones and link bones together at joints. You might be thinking what do all four of this have… What type of bone makes up the majority of the diaphysis of long bones like the humerus? There are two types of bone tissue: compact and spongy. Blood and lymph are fluid connective tissues. Reticular connective tissues are the backbone of the human body tissue structure. Blood connective tissue is a fluid form of connective tissue and transports cells and nutrients to other tissues and organs. Tendons are comprised of thick, rubbery white tissue. Connective tissue is defined as a tissue that supports and/or connects our body together in some way. Fibers are densely packed and organized in parallel to create a strong tissue capable of withstanding the pull of muscle and bone in movement. Few fibrocytes are present in rows between the bundle of fibers, and the tissue is commonly found in ligaments, periosteum, and outer covering of other organs like the kidney and the brain. In vertebrates, it is colored red by hemoglobin, is conveyed by arteries and veins, is pumped by the heart, and is usually generated in bone marrow. The periosteum is a connective tissue that supports bone health and development. The combination of flexible collagen and hard mineral crystals makes bone tissue hard, without making it brittle. Connective tissue can further be broken down into three categories: loose connective tissue, dense connective tissue, and specialized connective tissue. Bone tissue is either spongy or compact depending on the organization of the cells and matrix. Osteoarthritis is a chronic arthropathy characterized by disruption and potential loss of joint cartilage along with other joint changes, including bone hypertrophy (osteophyte formation). 1. To name a few, there is a skeleton, muscle tissue, many internal organs and skin covering it all. Cancellous Bone – The softer, less dense tissue that makes up the ends of bones and creates blood cells. Answer (1 of 23): A body is a structure that is composed of many different parts. Sarcomas begin in the bone. In this video we discuss the structure of bone tissue and the components of bones. Bones protect the various organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, and enable mobility.Bones come in a variety of shapes and sizes and have a complex internal and external structure. In between are types of connective tissue with di!erent mechanical properties. Dense connective tissue is dense because of the high proportion of fibers that run parallel to each other. Bone Bone is a compact type of hardened connective tissue composed of bone cells, membranes, an extracellular mineralized matrix, and central bone marrow. Figure 4.12. It includes fat, cartilage, bone, and blood. Cartilage: It is tough, hard but a flexible connective tissue. Structure of blood connective tissue. 5. The function of cartilage is to transmit loads across joints efficiently and to allow movement between bones at certain joints. blood vessels. A tendon serves to move the bone or structure. The outer layer, known as the fibrous periosteum, allows for attachment of muscle tissue to the bone and provides pathways for blood and lymphatic tissues. The key difference between connective tissue and muscle tissue is that the main function of connective tissue is to provide a connection between tissues, organs and other body parts while the main function of the muscle tissue is to carry out movements of the body.. A tissue is a group of cells which have a common structure and function in our body. Part 1: Overview of Connective Tissue: This is the most abundant tissue in the body with widespread distribution. Animal tissue refers to the group of cells of similar structure and function in animals. The cells of the bone are known as osteocytes. Describe how the layers of connective tissue are arranged to create the structure of a bone: There is a thick layer of connective tissue surrounding the outer surface of bone called the periosteum. Blood Connective tissue: A material made up of fibers forming a framework and support structure for body tissues and organs. Connective tissues perform many functions in the body, most importantly, they support and connect other tissues: from the connective tissue sheath that surrounds a muscle, to the tendons that attach muscles to bones, and to the skeleton that supports the positions of the body. It's a little strange to think of bone as a living tissue, but that's exactly what it is. These salt crystals form when calcium phosphate and calcium carbonate combine to create hydroxyapatite. The primary supportive structure of the entire body from within is formed by a skeleton composed of bone, a type of connective tissue that has great resistance to stress owing to its highly organized laminated structure and to its hardness, which results from the deposition of mineral salts such as Calcium in its fibers and amorphous ground matrix. Three major types of bone cells are involved in the breakdown and rebuilding of bone: osteoclasts, osteoblasts, and osteocytes. Long bone 20. ; The epimysium encircles all the fascicles to form a complete muscle. tendon, tissue that attaches a muscle to other body parts, usually bones.Tendons are the connective tissues that transmit the mechanical force of muscle contraction to the bones; the tendon is firmly connected to muscle fibres at one end and to components of the bone at its other end. The most … • Compare the interrelationship of epithelial and connective tissue through a study of the skin. Bone exerts important functions in the body, such as locomotion, support and protection of soft tissues, calcium and phosphate storage, and harboring of bone marrow [3, 4]. Cartilage is thin, avascular, flexible and resistant to compressive forces. Oct 24, 2019 - Connective tissue, right now may be thinking that this subject is very simple, and in all reality it is although some parts are complex and were difficult to learn at first. Our fascia is the web-like connective tissue that connects all of the other structures and tissues in our body, together. There are more than 20 different types of reticular fibers in the human body. A tendon is a fibrous connective tissue that attaches muscle to bone. 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. Connective tissue surrounds many organs. BONES Bones are a fourth example of connective tissue. connective tissue, group of tissues in the body that maintain the form of the body and its organs and provide cohesion and internal support.The connective tissues include several types of fibrous tissue that vary only in their density and cellularity, as well as the more specialized and recognizable variants—bone, ligaments, tendons, cartilage, and adipose (fat) tissue. This process is under the control of local (e.g., growth factors and cytokines) and systemic (e.g., calcitonin and … This is most common and has the appearance of the matrix forming concentric rings around cavities for blood vessels. From the spongy bone histology slide, we will identify the following important histological features under the light compound microscope. The two layers of compact bone and the interior spongy bone work together to protect the internal organs. A component of the lymphatic system, bone marrow functions primarily to produce blood cells and to store fat.Bone marrow is highly vascular, meaning that it is richly supplied with a large number of blood vessels.There are two categories of bone marrow tissue: red marrow and yellow … There are more than 200 illnesses ‘connected’ to connective tissue. Spongy Bone Compact Bone 9. Inside the bone is the medullary cavity, which contains bone marrow. osseous (bone) connective tissue. Connective tissues like bones and cartilage provide structure and internal support to different parts of the body. Bone tissue is continuously remodeled through the concerted actions of bone cells, which include bone resorption by osteoclasts and bone formation by osteoblasts, whereas osteocytes act as mechanosensors and orchestrators of the bone remodeling process. ; A tendon is a cordlike extension of the preceding three linings.It extends beyond the muscle tissue to connect the muscle to a bone or to other muscles. There are three types of cells that contribute to bone homeostasis.Osteoblasts are bone-forming cell, osteoclasts resorb or break down bone, and osteocytes are mature bone cells. Fascia covers the muscles. Except for blood, all other cells secrete collagen (elastin) which offers elasticity and flexibility to the tissues. Bone is a modified form of connective tissue which is made of extracellular matrix, cells and fibers. The 2 primary types of bone are compact and spongy. Connective tissue: A material made up of fibers forming a framework and support structure for body tissues and organs. Supportive connective tissue—bone and cartilage—provide structure and strength to the body and protect soft tissues. Bone Development & Growth. There are many functions in the body in which the bone participates, such as storing minerals, providing internal support, protecting vital organs, enabling movement, … Adipose tissue, or fat tissue, is considered a connective tissue even though … All connective tissue is derived from mesoderm, the middle germ cell layer in the embryo. Did You Know? Structure - mainly reticular fibers, thin matrix; Function - holds cells of loose organs together; Location - liver, spleen, bone marrow; Adipose connective tissue. Connective tissue, as its name implies, binds the cells and organs of the body together and functions in the protection, support, and integration of all parts of the body. 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