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Connective Tissue Functions and Locations
This deck covers the functions and locations of various types of connective tissues, including mesenchyme, areolar, adipose, and cartilage tissues, among others.
Mesenchyme Function
Function: Forms almost all other types of connective tissue
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Key Terms
Term
Definition
Mesenchyme Function
Function: Forms almost all other types of connective tissue
Mesenchyme Location
Location: Almost exclusively under skin and along developing bones of embryo; some in adult connective tissue, especially along blood vessels.
Mucous Connective Tissue Function
Function: Support.
Mucous Connective Tissue Location
Location: Umbilical cord of fetus.
Areolar Connective Tissue Function
Function: Strength, elasticity, support.
Areolar Connective Tissue Location
Location: In and around nearly every body structure (thus called "packaging material" of the body): in subcuntaeous layer deep to skin; papillary (sup...
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| Term | Definition |
|---|---|
Mesenchyme Function | Function: Forms almost all other types of connective tissue |
Mesenchyme Location | Location: Almost exclusively under skin and along developing bones of embryo; some in adult connective tissue, especially along blood vessels. |
Mucous Connective Tissue Function | Function: Support. |
Mucous Connective Tissue Location | Location: Umbilical cord of fetus. |
Areolar Connective Tissue Function | Function: Strength, elasticity, support. |
Areolar Connective Tissue Location | Location: In and around nearly every body structure (thus called "packaging material" of the body): in subcuntaeous layer deep to skin; papillary (superficial) region of dermis of skin; lamina propria of mucous membranes; around blood vessels, nerves,, and body organs. |
Adipose Tissue Function | Function: Reduces heat loss through skin; serves as an energy reserve; supports and protects organs. In newborns, BAT generates heat to maintain proper body temperature. |
Adipose Tissue Location | Location: Wherever areolar connective tissue is located: subcutaneous layer deep to skin, around heart and kidneys, yellow bone marrow, padding around joints and behind eyeball in eye socket. |
Reticular Connective Tissue Function | Function: Forms stroma of organs; binds smooth muscle tissue cells; filters and removes worn-out blood cells in spleen and microbes in lymph nodes. |
Reticular Connective Tissue Location | Location: Stroma (supporting framework) of liver, spleen, lymph nodes; red bone marrow; reticular lamina of basement membrane; around blood vessels and muscles. |
Dense Regular Connective Tissue Function | Function: Provides strong attachment between various structures. Tissue structure withstands pulling (tension) along long axis of fibers. |
Dense Regular Connective Tissue Location | Location: Forms tendons (attach muscle to bone), most ligaments (attach bone to bone), and aponeuroses (sheetlike tendons that attach muscle to muscle or muscle to bone). |
Dense Irregular Connective Tissue Function | Function: Provides tensile (pulling) strength in many directions. |
Dense Irregular Connective Tissue Location | Location: Often occurs in sheets, such as fasciae (tissue beneath skin and around muscles and other organs), reticular (deeper) region of dermis of skin, fibrous percardium of heart, periosteum of bone, perichondrium of cartilage, joint capsules, membrane capsules around various organs (kidneys, liver, testes, lymph nodes); also in heart valves. |
Elastic Connective Tissue Function | Function: Allows stretching of various organs; is strong and can recoil to original shape after being stretched. Elasticity is important to normal functioning of lung tissue (recoils in exhaling) and elastic arteries (recoil between heartbeats to help maintain blood flow). |
Elastic Connective Tissue Location | Location: Lung tissue, walls of elastic arteries, trachea, bronchial tubes, true vocal cords, suspensory ligaments of penis, some ligaments between vertebrae. |
Hyaline Cartilage Function | Function: Provides smooth surfaces for movement at joints, flexibility, and support; weakest type of cartilage and can be fractured. |
Hyaline Cartilage Location | Location: Most abundant cartilage in body; at ends of long bones, anterior ends of ribs, nose, parts of larynx, trachea, bronchi, bronchial tubes, embryonic and fetal skeleton. |
Fibrocartilage Function | Function: Support and joining structures together. Strength and rigidity make it the strongest type of cartilage. |
Fibrocartilage Location | Location: Pubic symphysis (where hip bones join anteriority), intervertebral discs, menisci (cartilage pads) of knee, portions of tendons that insert into cartilage. |
Elastic Cartilage Function | Function: Provides strength and elasticity; maintains shape of certain structures. |
Elastic Cartilage Location | Location: Lid on top of larynx (epiglottis), part of external ear (auricle), auditory (eustachian) tubes. |
Mature Connective Tissue: Bone Tissue Function | Function: Support, protection, storage; houses blood-forming tissue; serves as levers that act with muscle tissue to enable movement. |
Mature Connective Tissue: Bone Tissue Location | Location: Both compact and spongy bone tissue make up the various parts of bones of the body. |
Mature Connective Tissue: Blood Function | Function: Red blood cells: transport oxygen and some carbon dioxide; white blood cells: carry on phagocytosis and mediate allergic reactions and immune system responses; platelets: essential for blood clotting |
Mature Connective Tissue: Blood Location | Location: Within blood vessels (arteries, arterioles, capillaries, venules, veins), within chambers of the heart. |