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Which is the most abundant fiber in connective tissue? Adipose tissue is found in specific locations, referred to as adipose depots. They help the connective tissue to stretch and recoil. Its function is to maintain the shape of the structure while allowing flexibility. Blood is a bodily fluid in animals that delivers necessary substances, such as nutrients and oxygen, to the cells and transports metabolic waste products away from those same cells. The functions of areolar connective tissue include the support and binding of other tissues. Fats/bones It is found in the intervertebral discs of the bony vertebrae and knee meniscus. Loose connective tissue This has the same structural elements as dense regular tissue, but the bundles of collagen fibers are much thicker and arranged irregularly. d. Plasma cell Movement. b. Myofibroblast It is comprised of cells and extracellular matrix, including fibers and ground substance. The composition of these three elements vary tremendously from one organ to the other. Three types of fibers are found in connective tissue: Collagen: Collagen fibers are the strongest and most abundant of all the connective tissue fibers. Collagen. Connective tissue is the most abundant and widely distributed of the primary tissues. These collagen fibers are slightly wavy and can stretch a little bit. Loose irregular connective tissue is areolar tissue. Key Points: Connective tissue is the most abundant and widely distributed of the primary tissues. Hematoxylin and eosin stain is the most commonly used tissue stain for routine histological examination. Collagen fibers are the most abundant fiber type in connective tissue. Polysaccharides and proteins secreted by fibroblasts combine with extra-cellular fluids to produce a viscous ground substance that, with embedded fibrous proteins and cells, forms the extra-cellular matrix. The lymphatic system is a part of the circulatory system, comprising a network of conduits called lymphatic vessels that carry a clear fluid called lymph unidirectionally towards the heart. Which of the following would be best suited to visualize reticular fibers? Bone Collagen fibers and reticular fibers both belong to the collagen family, of which there are over 20 different types. Simple squamous epithelium tissue is commonly located in high friction areas of the body. Collagen fibers:They are tough, thick and non-branching fibers. The osseous tissue is relatively hard and lightweight in nature. Connective tissue has three main components: Together the ground substance and fibers make up the extracellular matrix. This tissue resembles areolar connective tissue, but the only fibers in its matrix are the reticular fibers, which form a delicate network. What layer(s) of the skin are blood vessels found within? Embryonic connective tissue includes mesenchyme and mucous connective tissue. e. Mesenchyme, 6. Fibers of Connective Tissue. c. Unilocular adipose tissue White adipose tissue Collagen fibers can be differentiated from other fibers by staining with Masson's trichrome stain. It is found in the external ear (known as an auricle) and in the epiglottis. The fibroblast also produces the ground substance in connective tissue. Specialized connective tissue includes cartilage, bone, adipose tissue, blood and hemopoietic tissue, and lymphatic tissue. Elastic fibers are long, thin fibers that form branching network in the extracellular matrix. This is present during fetal development and then decreases after birth. The matrix is the most abundant feature for loose tissue although adipose tissue does not have much extracellular matrix. Anatomy and Physiology of Animals/Body Organisation. Its main role is to store energy in the form of lipids, although it also cushions and insulates the body. The most abundant fiber in connective tissues is a tough protein called collagen. Which connective tissue cell type produces collagen? Dense regular connective tissue comprises tendons and ligaments. Although it is the most abundant and widely distributed of the primary tissues, the amount of connective tissue in a particular organ varies. a. Fibroblast b. Connective tissue macrophage c. Histiocyte d. Plasma cell e. Mast cell. Cartilage is classified in three types: 1) elastic cartilage, 2) hyaline cartilage, and 3) fibrocartilage, which differ in the relative amounts of these three main components. The major functions of connective tissue include: Connective tissues encompass a diverse array of tissue types that are involved in binding and supporting body structure and tissues. Mesenchyme is embryonic connective tissue. Collagen: Collagen fibers are the strongest and most abundant of all the connective tissue fibers. Dense connective tissue proper is richer in fibers and may be regular, with fibers oriented in parallel as in ligaments and tendons, or irregular, with fibers … d. Multilocular adipose tissue b. The ground substance functions as a molecular sieve for substances to travel between blood capillaries and cells. a. Fibroblast There are three types of fibers found in connective tissue: collagen fibers, elastic fibers, and reticular fibers. It consist of a loose network of collagen and elastin fibers containing a wide distribution of … Image Source: austincc.edu. It occurs in small, elongated bundles separated by regions that contain ground substance. Dense connective tissue. These fibers allow the tissues to recoil after stretching. Dense irregular connective tissue is seen in the dermis. Ground substance is a clear, colorless, viscous fluid that fills the space between the cells and fibers. A: Collagen Fibers are found in most supporting tissues and collagen is the most abundant protein in the body (Wheaters). a. Mucous connective tissue Brown adipose tissue The reticular tissue is limited to certain sites in the body, such as internal frameworks that can support lymph nodes, spleen, and bone marrow. a. Adipose tissue Click again to see term . Cartilage – less hard and more flexible than bone. b. Hematoxylin and eosin stain During the process of tissue repair, which of the following processes produces scar tissue? Click again to see term . Connective Tissue Proper . Tendons, ligaments, and the white stringy tissue (fascia) seen in some cuts of meat are composed almost entirely of collagen, as is leather, which consists of the connective tissue layer (dermis) of animal skins. b. Connective tissue macrophage This type of tissue persists into adulthood. It is made up of blood cells and is surrounded by a nonliving fluid called plasma. Connective tissue fibers provide support. Connective tissue can be sub-classified into connective tissue proper, specialized connective tissue and embryonic connective tissue. Primary tissue of the dermis Match the following type of connective tissue fiber with its description: Collagen fibers The strongest and most abundant fibers, they allow connective tissues to resist tension. This is loose connective tissue composed of adipocytes. Bone – also called osseous tissue, is composed of bone cells sitting in cavities called lacunae. Mast cells also secrete heparin, SRS-A (slow reacting substance of anaphylaxis, ECF-A (eosinophilic chemotactic factor of anaphylaxis. Adipose tissue: Yellow adipose tissue in paraffin section with lipids washed out. A) Fibrocartilage B) Areolar C) Spongy bone D) Elastic Connective Areolar 13 It is technically composed of roughly only 80% fat. c. 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