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Ashley Taylor Tissues
 

Ashley Taylor Tissues

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    Ashley Taylor Tissues Ashley Taylor Tissues Presentation Transcript

    • Tissues
      • Group of cells with similar structure and function.
      • Four primary types.
      • Each type has its own basic role in the body
      • Organized into organs such as the kidney and the heart.
      • Epithelial / Muscle / Connective / Nervous / Credits
    • Epithelial Tissue
      • Sheet of cells that cover a body surface.
      • Form boundaries between different environments.
      • Role as an interface tissue allows many functions.
      • Classified by its shape and number of layers
      • Simple / Stratified / Glandular / Home
    • Simple Epithelia
      • One of the names given to the epithelia in the classification system
      • All types have a single layer of cells
      • Generally located where absorption, filtration, and secretion occur
      • Simple Squamous / Simple Cuboidal / Simple Columnar / Pseudostratified Columnar / Epithelial / Home
    • Simple Squamous
      • Made up of cells flattened laterally with sparse cytoplasm.
      • Functions in diffusion and filtration
      • Create a smooth resistance-free lining in the lymphatic and cardiovascular systems
      • Two types: endothelium and mesothelium
      • Simple Cuboidal / Simple Columnar / Pseudostratified Columnar / Simple Epithelia / Epithelial / Home .
    • Simple Cuboidal
      • Cells are cube-shaped with spherical nuclei
      • Main functions are secretion and absorption
      • Forms walls of the smallest ducts of glands and of kidney tubules
      • Simple Squamous / Simple Columnar / Pseudostratified Columnar / Simple Epithelia / Epithelial / Home .
    • Simple Columnar
      • Tall, closely packed cells.
      • Lines the digestive tract.
      • Contains dense microvilli and goblet cells.
      • Simple Squamous / Simple Cuboidal / Pseudostratified Columnar / Simple Epithelia / Epithelial / Home .
    • Pseudostratified Columnar
      • Cells varying in height
      • Function in the secretion and propulsion of mucus
      • Present in male sperm-carrying ducts and trachea
      • Ciliated and non-ciliated versions
      • Simple Squamous / Simple Cuboidal / Simple Columnar / Simple Epithelia / Epithelial / Home
    • Stratified Epithelium
      • Second name given to epithelia in the classification system
      • Consists of two or more cell layers
      • Regenerate cells from below
      • More durable than the simple epithelium
      • Major role is protection
      • Stratified Squamous / Stratified Cuboidal / Stratified Columnar / Transitional / Epithelial Tissue / Home
    • Stratified Squamous Epithelium
      • Thick membrane
      • Role is in the protection of underlying areas
      • Form the external part of the skin
      • Keratinized and nonkeratinized versions
      • Stratified Cuboidal / Stratified Columnar / Transitional / Stratified Epithelium / Epithelial / Home
    • Stratified Cuboidal
      • Quite rare form of stratified epithelium
      • Found in the ducts of some larger glands
      • Typically two layers of cells thick
      • Stratified Squamous / Stratified Columnar / Transitional / Stratified Epithelium / Epithelial / Home
    • Stratified Columnar
      • Limited distribution of stratified columnar epithelium throughout the body.
      • Small amounts found in the pharynx and male urethra
      • Lines some of the glandular ducts
      • Found in the “transitional areas”
      • Stratified Squamous / Stratified Cuboidal / Transitional / Epithelial / Home
    • Transitional Epithelium
      • Lines the hollow urinary organs
      • Its basal cell layer usually consists of cuboidal or columnar cells
      • Cells stretch to allow expansion
      • Stratified Squamous / Stratified Cuboidal / Stratified Columnar / Stratified Epithelium / Epithelial / Home
    • Glandular Epithelium
      • Glands consist of one or more cells
      • Secrete a particular product
      • Classified as either endocrine or exocrine glands
      • Endocrine / Exocrine / Epithelial / Home
    • Endocrine Glands
      • Often called the “ductless glands”
      • Produce hormones excreted by exocytosis
      • Structurally diverse
      • Glandular Epithelium / Exocrine Glands / Epithelial / Home
    • Exocrine Glands
      • More numerous than the endocrine glands
      • Secrete products onto body surfaces or into body cavities
      • Multicellular and unicellular versions
      • Endocrine Glands / Glandular Epithelium / Epithelial / Home
    • Connective Tissue
      • Most numerous of the primary tissues
      • Binds and supports, protects, insulates, and transports
      • Made up of three main elements
      • Mesenchyme is their common tissue of origin
      • Connective Tissue Proper / Cartilage / Bone / Blood / Home
    • Connective Tissue Proper
      • Made up of two subclasses: loose and dense connective tissue
      • Includes all mature tissues except bone, blood, and cartilage
      • ADD MORE
      • Loose Connective Tissue / Dense Connective Tissue / Connective Tissue / Home
    • Loose Connective Tissue
      • Three types: areolar (as pictured), adipose, and reticular
      • Areolar connective tissue cushions organs
      • Adipose connective tissue reserves food stores, insulates against heat loss, and supports and protects
      • Reticular connective tissue forms a soft internal skeleton to support other cell types
      • Dense Connective Tissue / Connective Tissue Proper / Connective Tissue / Home
    • Dense Connective Tissue
      • Fibers are its predominant element
      • Consists of dense regular and dense irregular tissue
      • Attaches muscles to bone or other muscles and bone to bone
      • Loose Connective Tissue / Connective Tissue Proper / Connective Tissue / Home
    • Cartilage Tissue
      • Possesses qualities transitional of the dense connective tissue and bone
      • Tough but flexible
      • Chondroblasts are its predominant cell type
      • Hyaline Cartilage / Elastic Cartilage / Fibrocartilage / Connective Tissue / Home
    • Hyaline Cartilage
      • Most abundant cartilage type
      • Supports, reinforces, cushions, and resists compression
      • Found in the embryonic skeleton
      • Elastic Cartilage Tissue / Fibrocartilage / Cartilage / Connective / Home
    • Elastic Cartilage
      • More elastic fibers allow for stretch ability
      • Nearly identical to hyaline cartilage
      • Supports ear “skeleton” and epiglottis
      • Hyaline Cartilage / Fibrocartilage / Cartilage / Connective / Home
    • Fibrocartilage Cartilage
      • Characteristics in between hyaline cartilage and dense regular connective tissues
      • Compressible and resists tension
      • Found in the vertebral discs and makes up cartilage of knee joint
      • Hyaline Cartilage / Elastic Cartilage / Cartilage / Connective / Home
    • Bone Tissue
      • Hard, calcified matrix
      • Supports and protects
      • Has cavities for fat storage
      • Connective Tissue / Home
    • Blood Tissue
      • Makes up fluid within blood vessels
      • Transports respiratory gases, nutrients, and wastes
      • ADD MORE
      • Connective Tissue / Home
    • Muscle Tissue
      • Responsible fore most types of body movement
      • Possess myofilaments
      • Three different types: smooth, skeletal, and cardiac muscle tissue
      • Smooth Muscle / Skeletal Muscle / Cardiac Muscle / Home
    • Smooth Muscle Tissue
      • Spindle-shaped cells
      • Found in the walls of hollow organs
      • Propels substances along internal passageways
      • Skeletal Tissue / Cardiac Tissue / Muscle Tissue / Home
    • Skeletal Muscle Tissue
      • Long, cylindrical, multinucleate cells
      • Initiates and controls voluntary movement
      • Attached to the bones of the skeleton
      • Smooth Muscle / Cardiac Muscle / Muscle Tissue / Home
    • Cardiac Muscle Tissue
      • Branching, striated uninucleate cells
      • Only found in the walls of the heart
      • Propels blood to the whole body as it contracts
      • Smooth Muscle / Skeletal Muscle / Muscle Tissue / Home
    • Nervous Tissue
      • Main component of the nervous system
      • Contains specialized cells called neurons
      • Found in the brain, spinal cord, and peripheral nerves
      • Home
    • Credits
      • This slide show presented by Ashley Taylor:
      • All photos provided by:
      • Http://flickr.com
        • Jorrflv
        • Dragonfly- “Handle with care”
        • Slc.biol- “PA030025”
        • Christi’s photos- “Simple squamous epithelium” and “Stratified squamous epithelium keratinized”
        • Eecue- “Pig Motor Nerve” and “Dense Connective Tissue”
        • Greenflames09- “Thyroid Gland 7”
        • Akay- “hyalinecartilage”
        • Krisheding- “Skeletal shoulder” and “Skeletal hand”
      • All Text Provided by:
      • Marieb, N. Elaine R.N., Ph.D. and Hoehn, Katja M.D. Ph.D.“Human Anatomy and Physiology.” Pearson Education, Inc. Copyright 2007. San Fransisco, CA.
      • Home