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  • 1. Tissues Epithelial, Connective , Nervous , Muscle , Credits
    • Group of cells that are similar in structure and function.
    • Study of tissues is known as Histology
    • There are four basic types of tissues: Epithelial, Nervous, Connective, and Muscle
  • 2. Epithelium
    • Sheet of cells that cover body surface or lines body cavities
    • Forms boundary between inner and outer environment
    • Protects, absorbs, filtrates, and excretes
    Home , Simple , Stratified
  • 3. Simple Epithelia
    • Composed of a single layer of cells
    • Functions include: absorption, secretion, and filtration
    • Classified by shape: Squamous, Cuboidal, and Columnar
    Home , Stratified , Squamous Cuboidal , Columnar
  • 4. Simple Squamous Epithelium
    • Single thin layer of laterally flattened cells
    • Simplest of the epithelial
    • Found where filtration and exchange of substances is a priority
    Home , Simple , Cuboidal , Columnar
  • 5. Endothelium
    • inner covering of simple epithelium
    • Located in capillaries
    • Helps exchange nutrients and waste
    Home , Epithelium , Simple Squamous
  • 6. Simple Cuboidal
    • Consists of cube shaped single layer of cells
    • Important for secretion and absorption
    • Large spherical central nuclei
    • Found in kidneys, ducts of small glands, and ovary surface
    • Epithelium , Home , Simple ,
  • 7. Simple Columnar Epithelium
    • Single layer of column shaped cells with oval nuclei
    • Function is to absorb and secrete
    • Some have cilia which enables movement of particles
    • Found in bronchi, uterine tubes, and uterus
    • Home , Squamous , Cuboidal
  • 8. Pseudostratified columnar
    • Single layer of cells varying in height
    • May give false impression of several layers
    • Secretes and absorbs
    • Lines the trachea of the respiratory tract
    • Home , Simple , Stratified
  • 9. Stratified Squamous Epithelium
    • Several layers of flattened cells
    • Thick and well-suited for protection
    • Subjected to much abrasion
    • Forms the epidermis of the skin
    • Home , Simple , Cuboidal Columnar
  • 10. Stratified Squamous Epithelium
    • Several layers of flattened cells
    • Thick and well-suited for protection
    • Subjected to much abrasion
    • Forms the epidermis of the skin
    • Home , Simple , Cuboidal Columnar
  • 11. Stratified Cuboidal
    • Consists of two layers of cube shaped cells
    • Rarely found in the body
    • Found sometimes in glands
  • 12. Stratified columnar epithelium
    • Several layers of column shaped cells
    • Limited distribtution throughout the body
    • Found in some sweat and mammary glands
    • Typically two cell layers thick
    • Home , Cuboidal , Squamous
  • 13. Transitional Epithelium
    • Resembles stratified squamous
    • Stretches with the organ it lines
    • Found in urinary bladder, urethra, and uterus
    • Home , Simple , Stratified
  • 14. Glandular Epithelium
    • One or more cells that secrete and make certain products
    • Mostly classified by the site of release
    • Either exocrine or endocrine
    • Home, epithelial,
  • 15. Endocrine
    • Often called ductless glands
    • Produce hormones
    • Secretion produces amino acids, proteins and steroids
    • Home, epithelium, glandular, exocrine
  • 16. Exocrine
    • Secretes their products onto body surface or into body cavities
    • Transports secretion to epithelial surface
    • Includes mucous, sweat, oil, and salivary glands
    • Home, epithelium, glandular, endocrine
  • 17. Unicellular and multicellular exocrine glands
    • Produces mucin
    • Contains goblet cells
    • Structurally complex
    • Supported by connective tissue
    • Classified as simple or compound
    • Home, epithelium, glandular, exocrine
  • 18. Connective Tissue
    • Consists of connective tissue proper, cartilage, blood, bone
    • Binds, supports, protects, and insulates
    • Have a common origin, a degree of vascularity, and an extracellular matrix
    • Home, cartilage, bone, blood, tissue proper
  • 19. Blood
    • Fluid within the blood vessels
    • Develops from mesenchyme
    • Classified into red and white blood cells
    • Transports nutrients
    • Home, Connective tissue
  • 20. Muscle Tissue
    • Highly cellular tissues
    • Responsible for most of the body's movements
    • Contains myofilaments
    • Three types: cardiac, skeletal, and smooth
    • Home, Connective tissue, Smooth, Cardiac, Skeletal
  • 21. Skeletal Muscle
    • Long cylindrical cells with striations
    • Controls and initiates voluntary movements
    • Found attached to bone
    • Home, Connective Tissue, Muscular Tissue, Smooth Muscle, Cardiac Muscle
  • 22. Cardiac Muscle
    • Found only among the walls of the heart
    • Contracts and propels blood into the body
    • Tissues are branched and striated
    • Home, Connective tissue, Smooth, Skeletal Muscular
  • 23. Smooth Muscle
    • Has no visible striations
    • Spindle shaped
    • One central nuclei
    • Found in hollow organs contracting and squeezing
    • Home, Connective Tissue, Cardiac Muscle, Skeletal Muscle, Muscle Tissue
  • 24. Nervous Tissue
    • Main component of brain, spinal cord, and nerves
    • contains neurons
    • transmits electrical signals to effectors
    • Home, Connective Tissue
  • 25. Bone
    • Also known as osseous tissue
    • Able to support bodily structure
    • Stores marrow, calcium, and minerals
    • Home, Connective Tissue
  • 26. Cartilage
    • Tough but flexible
    • Avascular and lacks nerves fibers
    • Chondroblast produces new matrix until skeleton stops growing
    • Home, Connective Tissue
  • 27. Hyaline Cartilage
    • Most abundant of all the cartilages
    • Amorphous matrix, firm with imperceptible network of fibers
    • Supports, reinforces, and cushions
    • Home, Connective Tissue, Cartilage
  • 28. Elastic Cartilage
    • Identical to hyaline cartilage
    • Has more elastic fibers
    • Maintains structure and shape with flexibility
    • Home, Connective tissue, Cartilage,
  • 29. Fibrocartilage
    • Similar to hyaline cartilage
    • Found where support is most needed due to heavy pressure
    • Contains rows of chondrocytes
    • Home, Connective Tissue, Cartilage
  • 30. Connective Tissue Proper
    • Contains two substances: Loose and dense connective tissue
    • Home, Connective Tissue, Loose, Dense
  • 31. Connective tissue proper: Loose aerolar
    • Wraps and cushions organs
    • Holds and conveys tissue fluids
    • Widely distributed
    • Has a gel-like matrix
    • Home, Connective Tissue, Adipose, reticular, Dense
  • 32. Loose Connective Tissue: Adipose
    • Similar matrix to aerolar with closely packed adipocytes
    • Insulates, supports, and protects
    • Found under the skin
    • Home, Connective tissue, aerolar, reticular, dense
  • 33. Loose connective tissue: reticular
    • Loose ground substance
    • Reticular fibers lying in the same network
    • Supports other cell types
    • Home, Connective Tissue, aerolar, dense, adipose, dense
  • 34. Dense Connective Tissue: Regular
    • Made of mostly fibers
    • Contains fibrous connective tissue
    • Attaches bone to muscle or muscle to bone
    • Found in tendons
    • Home, Connective Tissue, Loose, Irregular
  • 35. Dense connective tissue: Irregular
    • Contains thick bundles of collagen fibers
    • Provides structural strength
    • Able to withstand tension
    • Home, Connective tissue, Dense regular, Loose
  • 36. Credits Pictures provided by Google.com and Flick.com. Sound and voice of Wesley House