What Is The Function Of Connective Tissue – Special cells Solid extracellular protein Fibers Extracellular fluid Extracellular components of connective tissue (Fibers and Ground Substances) Make up the matrix Most of the tissue volume determines the specific function.

Building structural systems for the body Transporting fluids and dissolved substances Protecting sensitive organs Supporting, surrounding and connecting other types of tissue Storing energy, especially in the form of triglycerides Protecting the body from invading microorganisms

What Is The Function Of Connective Tissue

Flexible bone tissue More soil, less fiber.

The Main Function Of Connective Tissue Is To

The most abundant cell type Found in all connective tissues, secretes proteins and hyaluronan (cell cement) Fibrocytes The second most abundant cell type Keeps the connective tissue fibers in their proper shape.

Each cell contains a single, large fat cell Mesenchymal Cells Stem cells that respond to injury or infection Divide into fibroblasts, macrophages, etc.

Large amoeba-like cells of the immune system Ingest pathogens and damaged cells Fixed macrophages remain in tissues Migratory macrophages

Special immune cells in the lymphatic system For example, lymphocytes can develop into plasma cells (plasmocytes) that produce antibodies.

Question Video: Defining The Term “tissue”

Most common fibers in connective tissue can be Long, straight, and unbranched Hard and flexible Withstands force in one direction Examples, tendons and ligaments

A network of interconnected fibers (stroma) Hard and flexible Resists forces in many directions Strengthens cells and functional systems For example, the lining around organs.

Reticular fibers Mast cells Melanocytes Elastic fibers Fixed macrophages Plasma cells Macrophages without collagen fibers Blood in vessels Fibroblast Adipocytes (fat cells) Mesenchymal cells Ground substance Lymphocyte 16

Prevents shock Reduces heat loss (insulation) Brown fat More vascularized adipocytes have more mitochondria When stimulated by the nervous system, fat breakdown increases, releasing energy Absorbs energy from surrounding tissue.

Structure And Function Of Connective Tissue And Bone Lab

Adipocytes in adults do not divide Expand to store fat Shrink as fat is released Divide and differentiate into Mesenchymal cells Produce more fat cells when more storage is needed

A complex, three-dimensional network Supporting fibers (stroma) Supports functional cells Reticular tissue Blood vessels, liver, lymph nodes, and bone marrow.

IMPOSSIBLE PLACES: Deep in the skin, especially on the sides, buttocks, breasts; padding around the eyes and kidneys FASA: provides padding and cushion shocks; Insulates (reduces heat loss); store energy Adipocytes (white blood cells) LM  300 adipose tissue 24

LOCATION: Liver, kidney, spleen, lymph nodes, and bone marrow USES: Provides support structure Reticular fibers Reticular cells from the liver LM  375 Reticular Tissue 25

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Proper connective tissue, rich in collagen or elastic fibers 3 Major Types Irregular connective tissue.

Collagen fibers run parallel to the tendons, the ligament connects the muscle to the bone and stabilizes the organ Aponeurosis attached to the plate of the large, flat muscle.

Areas of continuous connective tissue: between skeletal muscles and bones (tendons and aponeurosis); between bones or internal organs (ligaments); covering the skeletal muscles; deep fasciae Collagen fiber ACTIVITY: Provides strong attachment; lead to muscle contractions; reduce muscle tension; stabilizes the bone position Fibroblast nuclei Tendon LM  440 28

A network of collagen fibers Layers of skin Surrounds cartilage (perichondrium) Surrounds bone (periosteum) Forms a capsule around some organs (e.g. liver, kidneys)

Functions Of Connective Tissue

Thick abnormal tissue LOCATION: Capsule of visceral organs; periosteum and perichondrium; nerve and muscle sheaths; dermis USE: Gives strength to resist forces applied in many directions; helps prevent overstretching of organs such as the urinary bladder Bundles of collagen fibers Deep dermis LM  111 30

Elastic joints: Between the bones of the spine (ligamentum flavum and ligamentum nuchae); ligaments supporting the penis; ligaments supporting transitional epithelia; in the walls of blood vessels Elastic fibers FUNCTION: Strengthens the position of the spine and pelvis; cushion shocks; allowing the expansion and contraction of organs Fibroblast nuclei Elastic ligament LM  887 32

Water matrix of soluble proteins Carries specific types of cells (thrombocytes) Blood platelets Red blood cells (erythrocytes) White blood cells (leukocytes) Platelets

Cartilage type Gel for absorption and protection of bones Shadow (made of calcium salts, minerals) for weight support

Seer Training: Nerve Tissue

Hyaline Cartilage Hard, soft support Reduces friction between bones Found in joints, ribs, sternum and trachea.

Fibrocartilage (Fibrous cartilage) Limits movement Prevents bone-to-bone contact Paralyzes the knee joint Located between the bone and the intervertebral disc

HYALINE PLACE: Between the ends of the ribs and the sternum; covers the bones in synovial joints; supports the larynx (voice box), trachea and bronchi; forms part of nasal septum FUNCTION: Provides rigid but relatively flexible support; reduce friction between cartilage Chondrocytes in lacunae Matrix LM  500 Hyaline cartilage 40

Elastic cartilage area: Auricle of outer ear; epiglottis; water channel; cuneiform cartilage of larynx FUNCTION: Provides support, but tolerates deformation without damage and returns to original shape Chondrocyte in lacuna Elastic fibers in matrix LM  358 Elastic cartilage 41

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FIBROCARTIAGE LOCATION: Pads on the inside of the knee; between the pelvic bones; intervertebral discs ACTION: resists pressure; prevent bone contact; restricts movement Chondrocytes in lacunae Fibrous matrix LM  400 Fibrocartilage 42

Bone or Osseous Tissue Strong (stores calcium salts) Resistant to fracture (flexible collagen fibers) Bone cells or Osteocytes Arranged around a central canal within the matrix Small canals through the matrix (canaliculi) enter the supply -blood Periosteum Covers the bone Cell layer

To operate this website, we register user data and share it with processors. To use this website, you must agree to our Privacy Policy, including our cookie policy. The tissues of the human body can be classified into 4 main types: epithelial, nervous, muscle, and connective (Delforge, 2002). Connective tissue binds cells, other forms of tissue and organs in a way, which provides mechanical support, strength, integrity and shape to the structures found in the body (Delforge, 2002). . Finally, connective tissue is composed of 3 primary structural elements including cells, fibers and matrix (Delforge, 2002).

The connective tissue cells can be divided into 4 types, which include mast cells (that is, they help to mediate inflammation), macrophages, plasma cells (that is, they help to neutralize and eliminate pathogens during final stage of inflammation), and fibroblasts (that is, collagen). in the extracellular matrix during the repair process) (Delforge, 2002).

Unit 6: Tissue Structure And Functions

The extracellular matrix holds in it, fibers that help develop the special properties of connective tissue. The aforementioned fibers are divided into 3 types: collagen, elastic and reticular (Delforge, 2002). Collagen, a form of protein, provides strength and stiffness, and is the most common type of fiber in the body’s musculoskeletal system (Delforge, 2002). Elastic fibers contribute primarily to the tensile strength and resilience (ie, elasticity) of connective tissue and are therefore found in elastic tissue (ie, skin). The reticular fibers are not very numerous, and very thin. However, they provide a level of support, especially to the organs and glands (ie, liver, spleen) (Delforge, 2002).

The soil material comprises the third component of connective tissue. It is characterized by a gelatinous appearance, and is located between the cells and fibrous elements of soft connective tissue, and provides structural support and lubrication (Delforge, 2002). Soil material consists of water molecules, proteins and carbohydrates. Collectively, the compounds mentioned above are known as glycoproteins, whose purpose is to bind the cells to the extracellular matrix, and help to provide structural support during the repair of connective tissue ( Delforge, 2002).

Ligaments, tendons, and the joint capsule get their strength from connective tissue. However, there are permutations of connective tissue that perform unique functions. Ligaments, for example, require the conviction of tissue movement in a linear direction. Therefore, a form of connective tissue exists to accommodate such conditions, known as continuous connective tissue (Delforge, 2002). Collagen, one of the three types of connective tissue fibers, is primarily responsible for the strength and tensile strength found in continuous connective tissue (Delforge, 2002).

After the onset of connective tissue trauma (i.e., hemorrhage and hemostasis), there are 3 stages of repair: an inflammation stage, a fibroplasia stage, and a scar maturation stage (Delforge , 2002). The inflammation process is characterized by 2 responses: the first and the second. The purpose of the first response is to “flood” the injured area through edema, effusion, hyperthermia, and cells (ie phagocytic), which digest and eliminate pathogenic microorganisms (Delforge, 2002). If the body fails to complete the first response, it switches to a secondary response that allows the immune system to respond to specific pathogens. The secondary response is characterized by pain and muscle spasm, both of which are considered to be neural consequences of the failed primary response (Delforge, 2002).

Describe Structure And Various Functions Of Connective Tissues

The second stage of connective tissue repair occurs at the end of the inflammatory process. Here, the body begins to form scarring in the injured area, a process called fibroplasia (Delforge, 2002). The second stage is also characterized by a phenomenon called wound contraction, which reduces the size of the scar. The final stage of the connective tissue response continues the development and regeneration of the newly formed scar in a way that improves its structure and function (Delforge, 2002).

Ligaments, tendons, and the joint capsule get their strength from connective tissue. However, there are permutations of connective tissue that perform unique functions. A joint capsule (i.e., shoulder), for example, requires flexibility to move the tissue in multiple directions, as the shoulder has many degrees of freedom. Therefore, there is a form of connective tissue to accommodate such measures,

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