Makinson Tissues
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  • 1. 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
  • 2. Epithelial
    • Plays a role in protection, filtration, absorption, excretion, secretion and sensory reception
    Simple Stratified Tissues
  • 3. 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
  • 4. 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
  • 5. 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
  • 6. 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
  • 7. 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
  • 8. 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
  • 9. 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
  • 10. 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
  • 11. 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
  • 12. 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
  • 13. Connective Tissues
    • Found everywhere in body
    • Four main classes
    • Functions include binding and support, protection, and insulation
    Connective Tissue Proper Cartilage Bone Blood Tissues
  • 14. Connective Tissue Proper
    • Contain cells, fibers and a ground
    • Loose and dense tissues proper
    Loose Connective Tissues Dense Connective Tissues Tissues
  • 15. 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
  • 16. 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
  • 17. 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
  • 18. 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
  • 19. 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
  • 20. 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
  • 21. 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
  • 22. Cartilage
    • Stands up to both tension and compression
    • Tough but flexible
    • Lacks nerve fibers and is avascular
    Hyaline Cartilage Elastic Cartilage Fibrocartilage Connective Tissue
  • 23. 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
  • 24. 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
  • 25. 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
  • 26. 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
  • 27. 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
  • 28. 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
  • 29. Muscle Tissues
    • Highly textured
    • Well vascularized
    • Responsible for most types of body movement
    Skeletal Muscle Cardiac Muscle Smooth Muscle Tissues
  • 30. 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
  • 31. 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
  • 32. 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
  • 33. 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.