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Makinson Tissues
 

Makinson Tissues

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    Makinson Tissues Makinson Tissues Presentation Transcript

    • TISSUES
      • Groups of cells similar in
      • structure that perform the
      • same function
      • Four main types
      • Histology is the study of tissues
      Epithelial Connective Muscle Nervous Credits
    • Epithelial
      • Plays a role in protection, filtration, absorption, excretion, secretion and sensory reception
      Simple Stratified Tissues
    • Simple Epithelial
      • Made up of single layer cells
      • Used for absorption and filtration
      • Six irregular sides
      Simple Squamous Simple Cuboidal Simple Columnar Pseudostratified Columnar Epithelial
    • Stratified Epithelial
      • Having two or more cell layers
      • Stack on top of one another
      • Used for protection
      Stratified Squamous Stratified Cuboidal Stratified Columnar Transitional Epithelial
    • Simple Squamous
      • Shape: Flattened cells with disc-shaped nuclei and sparse cytoplasm
      • Function: Diffusion and Filtration
      • Found: Kidney glomeruli, air sacs of lungs, lining of heart, blood vessels
      Simple Cuboidal Simple Columnar Pseudostratified Columnar Simple Epithelial Epithelial
    • Simple Cuboidal
      • Shape: Single layer of cube-like cells with large, spherical central nuclei
      • Function: Secretion and Absorption
      • Found: Kidney tubules, ovary surface, ducts and secretory portions of small glands
      Simple Squamous Simple Columnar Pseudostratified Columnar Simple Epithelial Epithelial
    • Simple Columnar
      • Shape: Single layer of tall cells with oval nuclei, may contain cilia
      • Function: Absorption, Secretion
      • Found: Nonciliated type lines most of the digestive tract, gallbladder, excretory ducts of some glands, and some regions of uterus
      Simple Squamous Simple Cuboidal Pseudostratified Columnar Simple Epithelial Epithelial
    • Pseudostratified Columnar
      • Shape: Single layer of cells with different heights, some do not reach free surface
      • Function: Secretion and Propulsion of mucus
      • Found: Male Sperm and Trachea
      Simple Squamous Simple Cuboidal Simple Columnar Simple Epithelial Epithelial
    • Stratified Squamous
      • Shape: Thick membrane composed of several layers of cells
      • Function: protection of underlying areas subject to abrasion
      • Found: external part of skin’s epidermis and linings of the esophagus, mouth and vagina
      Stratified Cuboidal Stratified Columnar Transitional Stratified Epithelial Epithelial
    • Stratified Cuboidal
      • Shape: Generally to layers of cube-like cells
      • Function: Protection
      • Found: Largest ducts of sweat glands and salivary glands
      Stratified Squamous Stratified Columnar Transitional Stratified Epithelial Epithelial
    • Stratified Columnar
      • Shape: Several cell layers, basal cells usually cuboidal, superficial cells elongated and columnar
      • Function: Protection
      • Found: Pharynx, male urethra and lining of some glandular ducts
      Stratified Squamous Stratified Cuboidal Transitional Stratified Epithelial Epithelial
    • Transitional
      • Shape: Several cell layers. Basal cells are cuboidal, surface cells are dome shaped
      • Function: Stretches to permit the distension of the urinary bladder
      • Found: Lining of urinary bladder, ureters and part of urethra
      Stratified Squamous Stratified Cuboidal Stratified Columnar Stratified Epithelial Epithelial
    • Connective Tissues
      • Found everywhere in body
      • Four main classes
      • Functions include binding and support, protection, and insulation
      Connective Tissue Proper Cartilage Bone Blood Tissues
    • Connective Tissue Proper
      • Contain cells, fibers and a ground
      • Loose and dense tissues proper
      Loose Connective Tissues Dense Connective Tissues Tissues
    • Loose Connective Tissues
      • Often used to link epithelia
      • Found in epidermis
      • Distinguished by vascularity and cellularity
      Areolar Connective Tissue Adipose Connective Tissue Reticular Connective Tissue Connective Tissue Tissue
    • Dense Connective Tissues
      • Has collagen fibers as main matrix element
      • Contains Fibroblasts
      • Forms tendons and ligaments
      Dense Regular Dense Irregular Connective Tissue Proper Connective Tissues
    • Areolar Connective Tissues
      • Shape: Gel-like matrix with all three connective tissue fibers
      • Function: Wraps and cushions organs
      • Found: widely distributed under epithelia of body
      Adipose Connective Tissue Reticular Connective Tissue Loose Connective Tissue Connective Tissue
    • Adipose Connective Tissue
      • Shape: Matrix similar to aerolar with closely packed adipocytes
      • Function:Reserves food stores, insulates heat loss, supports and protects
      • Found: under skin, around kidneys, within abdomen and in breast
      Areolar Connective Tissue Reticular Connective Tissue Loose Connective Tissue Connective Tissue
    • Reticular Connective Tissue
      • Shape: Loose ground substance with reticular fibers, line on a fiber network
      • Function: Forms a soft internal skeleton, or stroma, that supports other cell types
      • Found: lymph nodes, bone marrow and spleen
      Areolar Connective Tissue Adipose Connective Tissue Loose Connective Tissue Connective Tissue
    • Dense Regular Connective Tissue
      • Shape: Parallel collagen fibers with a few elastic fibers
      • Function: Attaches muscles to bone or to other muscles and bone to bone
      • Found: tendons, ligaments, aponeuroses
      Dense Irregular Connective Tissue Dense Connective Tissue Connective Tissue
    • Dense Irregular Connective Tissue
      • Shape: Irregularly arranged collagen fibers with some elastic fibers
      • Function: Withstand tension in many directions providing structural strength
      • Found: dermis, submucosa of the digestive tract, and fibrous organ capsules
      Dense Regular Connective Tissue Dense Connective Tissue Connective Tissue
    • Cartilage
      • Stands up to both tension and compression
      • Tough but flexible
      • Lacks nerve fibers and is avascular
      Hyaline Cartilage Elastic Cartilage Fibrocartilage Connective Tissue
    • Hyaline Cartilage
      • Shape: Amphorous, firm matrix with imperceptible network of collagen fibers
      • Function: Supports, reinforces, cushions and resists compression
      • Found: embryonic skeleton, the end of long bones, nose, trachea and larynx
      Elastic Cartilage Fibrocartilage Cartilage Connective Tissue
    • Elastic Cartilage
      • Shape: Similar to hyaline cartilage but with more elastic fibers
      • Function: Maintains shape structure while allowing flexibility
      • Found: support of external ear and the epiglottis
      Hyaline Cartilage Fibrocartilage Cartilage Connective Tissue
    • Fibrocartilage
      • Shape: matrix similar to hyaline cartilage but less form with thick collagen fibers
      • Function: Provides tensile strength and absorbs compression shock
      • Found: intervertebral discs, the pubic symphysis, and in discs of the knee joint
      Hyaline Cartilage Elastic Cartilage Cartilage Connective Tissue
    • Bone
      • Shape: Hard, calcified matrix with collagen fibers found in bone
      • Function: support and protection, also provides levers for muscles
      • Found: Bones
      Connective Tissues Tissues
    • Blood
      • Shape: Red and white blood cells in a fluid matrix called plasma
      • Function: transport of respiratory gases, nutrients and wastes
      • Found: blood vessels
      Connective Tissues Tissues
    • Nervous Tissue
      • Shape: branched neurons with long cellular processes and support cells
      • Function: transmitting electrical signals from sensory receptors to effectors
      • Found: the brain, spinal cord and peripheral nerves
      Tissues
    • Muscle Tissues
      • Highly textured
      • Well vascularized
      • Responsible for most types of body movement
      Skeletal Muscle Cardiac Muscle Smooth Muscle Tissues
    • Skeletal Muscle Tissue
      • Shape: long, cylindrical, multinucleated cells with obvious striation
      • Function: Initiates and controls voluntary movement
      • Found: skeletal muscles that attach to bones or skin
      Cardiac Muscle Smooth Muscle Muscle Tissues
    • Cardiac Muscle Tissue
      • Shape: Branching, striated, uninucleated cells interlocking at intercalated
      • Function: Propels blood into the circulation
      • Found: walls of the heart
      Skeletal Muscle Smooth Muscle Muscle Tissues
    • Smooth Muscle Tissue
      • Shape: sheet of spindle-shaped cells with central nuclei that have no striation
      • Function: propels substances along internal passageways called peristalsis.
      • Found: walls of hollow organs
      Skeletal Muscle Cardiac Muscle Muscle Tissues
    • Credits http://www.innvista.com/health/anatomy/connect.htm http://www.mc.vanderbilt.edu/histology/labmanual2002/labsection1/Connective Tissue03.htm http://biology.about.come/library/weekly/aa011801a.htm http://cellbio.utmb.edu/microanatomy/connective_tissue/loose_connective_tissue.htm Human Anatomy and Physiology Google Images Flickr images Heather and Olivia pictures Inc.