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Anatomy and Physiology Connective Tissue Notes

Connective tissue is the most abundant tissue in the body and connects other tissues. There are several types of connective tissue including areolar, adipose, fibrous, bone, cartilage, blood, and hematopoietic tissue. Bone is one of the most highly specialized forms of connective tissue and has a hard, calcified matrix. Cartilage differs from bone in having a firm gel-like matrix. Muscle tissues include skeletal, cardiac, and smooth muscle which differ in their voluntary or involuntary functions and locations in the body.

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Connective Tissue




     Mr. Hunter
 Kennedy High School
     10/17/2012
Anatomy and Physiology
Anatomy and Physiology
                  10/18/2012
• OBJECTIVES
• SWBAT
• COMPARE AND CONTRAST DIFFERENT FORMS
  OF CONNECTIVE TISSUE
• ANAYLYZE THE COMPONENTS OF CONNECTIVE
  TISSUE
• Bell Ringer: What type of tissue can areolar
  connective tissue develop into when it accumulates
  and stores lipids?
Connective Tissue General
                            • Most abundant and widely
Information                   distributed tissue in the body.
                            • More variation than any other tissue
                              type.
                            • Location(s): skin,
                              membranes,muscles, bone, nerves
                              and all internal organs
                            • Function(s): connects tissue to each
                              other and forms a supporting
                              framework for the body as a whole
                              and for individual organs.
                            • Question(s): What is the most
                              abundant tissue type in the body?
                            • What is the function of connective
                              tissue?
• Differs from epithelial tissue in the
Connective Tissue General     arrangement and variety of cells
Information                   found in the matrix – intracellular
                              material
                            • Structural quality, appearance of the
                              matrix and fibers determines the
                              qualities of each type of connective
                              tissue.
                            • Major types of connective tissue:
                            • 1. Areolar        6. Blood
                            • 2. Adipose        7. Hematopoietic
                            • 3. Fibrous
                            • 4. Bone
                            • 5. Cartilage
• Areolar (loose) connective tissue is
Areolar and Adipose     the most widely distributed
Connective Tissue       connective tissue.
                      • Helps keep the organs of the body
                        together.
                      • Consists of webs of fibers and a
                        variety of cells embedded within a
                        matrix of soft,sticky gel.
                      • Collegen fibers: strong and flexible
                      • Elastic fibers: stretchy, helps tissue
                        return to shorter length after being
                        stretched.
                      • Question(s): What is the most widely
                        distributed connective tissue?
                      • What are two main fiber types?
• Fascia: fibrous material that helps
Areolar and Adipose     bind the skin muscle, bones and
Connective Tissue       other organs of the body together.
                      • It is mainly areolar tissue that
                        composes fascia.
                      • Areolar tissue can develop into
                        adipose tissue when it begins to
                        store lipids.
                      • Adipose tissue secretes hormones
                        that help regulate metabolism and
                        fuel storage in the body.
                      • Question(s): What is fascia?
                      • Wht type of tissue can areolar tissue
                        develop into when large quantities
                        of lipids are store within its cells?

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Anatomy and Physiology Connective Tissue Notes

  • 1. Connective Tissue Mr. Hunter Kennedy High School 10/17/2012 Anatomy and Physiology
  • 2. Anatomy and Physiology 10/18/2012 • OBJECTIVES • SWBAT • COMPARE AND CONTRAST DIFFERENT FORMS OF CONNECTIVE TISSUE • ANAYLYZE THE COMPONENTS OF CONNECTIVE TISSUE • Bell Ringer: What type of tissue can areolar connective tissue develop into when it accumulates and stores lipids?
  • 3. Connective Tissue General • Most abundant and widely Information distributed tissue in the body. • More variation than any other tissue type. • Location(s): skin, membranes,muscles, bone, nerves and all internal organs • Function(s): connects tissue to each other and forms a supporting framework for the body as a whole and for individual organs. • Question(s): What is the most abundant tissue type in the body? • What is the function of connective tissue?
  • 4. • Differs from epithelial tissue in the Connective Tissue General arrangement and variety of cells Information found in the matrix – intracellular material • Structural quality, appearance of the matrix and fibers determines the qualities of each type of connective tissue. • Major types of connective tissue: • 1. Areolar 6. Blood • 2. Adipose 7. Hematopoietic • 3. Fibrous • 4. Bone • 5. Cartilage
  • 5. • Areolar (loose) connective tissue is Areolar and Adipose the most widely distributed Connective Tissue connective tissue. • Helps keep the organs of the body together. • Consists of webs of fibers and a variety of cells embedded within a matrix of soft,sticky gel. • Collegen fibers: strong and flexible • Elastic fibers: stretchy, helps tissue return to shorter length after being stretched. • Question(s): What is the most widely distributed connective tissue? • What are two main fiber types?
  • 6. • Fascia: fibrous material that helps Areolar and Adipose bind the skin muscle, bones and Connective Tissue other organs of the body together. • It is mainly areolar tissue that composes fascia. • Areolar tissue can develop into adipose tissue when it begins to store lipids. • Adipose tissue secretes hormones that help regulate metabolism and fuel storage in the body. • Question(s): What is fascia? • Wht type of tissue can areolar tissue develop into when large quantities of lipids are store within its cells?
  • 7. • Reticular connective tissue is Areolar and Adipose composed of thin, delicate webs of Connective Tissue collagen fibers called reticular fibers • Found in bone marrow. It helps to support blood forming cells. • Dense Fibrous Connective Tissue • Composed of thick bundles of strong, white collagen fibers arranged in parallel rows. • Found in tendons (anchors muscle to bone), provides great strength and flexibility. It does not stretch.
  • 8. REVIEW Anatomy and Physiology 10/17/2012 1. What is the most widely distributed tissue in the body? 2. Where is connective tissue located? 3. What is the function of connective tissue? 4. How does connective tissue differ from epithelial tissue? 5. What are the seven major types of connective tissue? 6. What are the two types of fibers found in areolar connective tissue? 7. What is reticular connective tissue composed of and where is it found? 8. What are the properties and location of dense fibrous connective tissue? 9. What type of tissue compose fascia?
  • 9. • Bone is one of the most highly Bone and Cartilage specialized forms of connective tissue. • The matrix is hard and calcified. • It forms numerous structural building blocks called osteons or Haversian systems. • Bones are a storage area for calcium and provide support and protection for the body. • Questions(s): What are the names of the numerous structural building blocks found in the bone tissue matrix?
  • 10. • Cartilage differs from bone in that its Bone and Cartilage matrix is like a firm plastic or gristlelike gel. • Cartilage cells, chondrocytes are found in many tiny spaces distributed throughout the matrix. • Question(s): How does cartilage differ from bone? • What are the names of cartilage cells and where are they found?
  • 11. • Blood is the most unusual form of Blood and Hematopoietic connective tissue because the matrix Tissue is in a liquid state. • It has transportation and protective functions • Red and white blood cells are the cell types common to blood. • Hematopoietic tissue is bloodlike connective tissue located: 1. Red marrow cavities of bones 2. Spleen 3. Tonsils 4. Lymph nodes Function: formation of blood cells and defense against diseases.
  • 12. • Muscle cells have a higher degree of contractility than any other tissue Muscle Tissue cells. • If injured muscle cells are slow to heal and are replaced by scar tissue. • There are three types of muscle tissue: 1. Skeletal 2. Cardiac 3. Smooth Question(s): If injured, what happens to muscle tissue? What are the three types of muscle tissue?
  • 13. • Skeletal or striated muscle tissue is voluntary because they are Muscle Tissue controlled at will. • Individual cells of this tissue type are long and threadlike . They are often called fibers. The cells will be multinucleated. • Skeletal muscles are attached to bones. When contracted ,the muscles produce controlled and voluntary movements. • Question: What are the characteristics of striated skeletal tissue?
  • 14. • Cardiac muscle tissue forms the walls of the heart and produces the Cardiac Muscle Tissue heartbeat. • Have light striations similar to skeletal muscle tissue. • Contain darker bands called intercalated disks. • The fibers branch and connect to other cardiac branches within the heart to form a mass of contractile tissue.
  • 15. • Smooth(visceral) is involuntary. SmoothMuscle Tissue • Smooth muscle cells appear long and narrow and they lack cross striations. • They only have one nucleus per cell. • This type of tissue helps to: 1. Form the walls of blood vessels 2. Hollow organs such as the intestines 3. Other tube shaped structures in the body. Contractions can help move food through the digestive tract and change blood vessel diameter.
  • 16. REVIEW Anatomy and Physiology 10/18/2012 1. What type of connective tissue is one of the most highly specialized forms? 2. Describe the matrix of bone. 3. How is cartilage different from bone? 4. Where would the body obtain more calcium if it needed an additional supply? 5. Why is blood an unusual form of connective tissue? 6. What are the two main functions of blood as a connective tissue? 7. What type of connective tissue is found in the red marrow cavities of bones and the spleen? 8. What happens to muscle tissue if it is injured? 9. What are the three kinds of muscle tissue? 10. Describe the function and location of skeletal, cardiac and smooth muscle.