Tissues Project
- 1. Tissues Groups of cells similar in structure and function 4 types Epithelial, connective, muscular and nervous Credits Epithelial Connective Muscular Nervous http://www.flickr.com/photos/jorrflv/1451540811/in/set-72157602184151046 /
- 2. Epithelial Tissue Cellularity Supported by connective tissue A vascular but innervated Regenerative Classifications Simple or stratified Special Contacts Junctions and desmosomes Polarity Apical and basal Tissues Stratified Simple http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
- 3. Simple Epithelial Single layer 4 classification types Squamous, cuboidal, columnar and pseudostratified columnar Tissues Epithelial Simple Squamous Simple Cuboidal Simple Columnar Pseudostratified Columnar http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
- 4. Simple Squamous Epithelial Single layer of flattened cells with disc-shaped nuclei and sparse cytoplasm Functions Diffusion and filtration Provides slick friction Present in Kidney glome ruli, lining of heart, blood vessels, lymphatic vessels and serosae Tissues Epithelial Simple Epithelial Simple Cuboidal Simple Columnar Pseudostratified Columnar
- 5. Simple Columnar Epithelial Single layer of tall cells with oval nuclei Many contain cilia Contains goblet cells Functions Absorption, secretion, nonciliated type lines Digestive tract and gallbladder Ciliated type lines Small bronchi, uterine tubes and regions of uterus Tissues Epithelial Simple Epithelial Simple Cuboidal Simple Squamous Pseudostratified Columnar http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2
- 6. Simple Cuboidal Epithelial Single layer of cube-shaped cells with large, spherical central nuclei Functions Secretion and absorption Present in Kidney tubules, ducts, secretory portions of small glands and on ovary surface Tissues Epithelial Simple Epithelial Simple Columnar Simple Squamous Pseudostratified Columnar
- 7. Pseudostratified Columnar Epithelial Single layer of tall cells with different heights Some cells don’t reach free surface Nuclei seen at different layers Functions Secretion and propulsion of mucus Present in Non ciliated male sperm carrying ducts and ducts of large glands, ciliated trachea and upper respiratory tract Tissues Epithelial Simple Epithelial Simple Columnar Simple Squamous Simple Cuboidal
- 8. Stratified Epithelial Two or more layers of cells More durable than simple epithelial Four types Stratified squamous, stratified cuboidal, stratified columnar and transitional Tissues Epithelial Stratified Squamous Stratified Cuboidal Stratified Columnar Transitional http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+epithelial
- 9. Stratified Squamous Epithelial Thick membrane composed of several layers of cells Function Protects areas subject to abrasion Forms external part of skin’s epidermis, linings of esophagus, mouth an vagina Tissues Epithelial Stratified Epithelial Stratified Cuboidal Stratified Columnar Transitional
- 10. Stratified Cuboidal Epithelial Typically two cell layers Rare Found in sweat and mammary glands Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Columnar Transitional http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+cuboidal
- 11. Stratified Columnar Epithelial Limited distribution to body Present in Pharynx, male urethra and lining of some glandular ducts Occurs at Transition areas between two other types of epithelial Only layer is the apical layer Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Cuboidal Transitional
- 12. Transitional Epithelial Several cell layers Basal cells are cuboidal Surface cells are dome shaped Stretchy Lines Urinary bladder, ureters and part of urethra Tissues Epithelial Stratified Epithelial Stratified Squamous Stratified Cuboidal Stratified Columnar
- 13. Connective Tissue Most abundant and widely distributed in primary tissues Found throughout body Four main types Connective tissue proper, cartilage, bone and blood Functions Binding and support, protection, insulation and transportation Three common properties Mesenchyme as common tissue of origin, degrees of vascularity, extracellular matrix Tissues Connective Tissue Proper Cartilage Bone Blood http://washington.uwc.edu/about/faculty/schaefer_w/TISSUES/fibrous_connective_tissue_tendon.jpg
- 14. Connective Tissue Proper Two subclasses Loose and dense Contains majority of mature connective tissue Consists of living cells surrounded by a matrix Tissues Connective Tissue Cartilage Bone Blood Loose Connective Tissue Dense Connective Tissue http://images.google.com/imgres?imgurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/s4810x.jpg&imgrefurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/Lab3f04.html&h=576&w=432&sz=300&hl=en&start=7&tbnid=r2UwEDPOLr2BBM:&tbnh=134&tbnw=101&prev=/images%3Fq%3Dconnective%2Btissue%2Bproper%26gbv%3D2%26svnum%3D10%26hl%3Den
- 15. Loose Connective Tissue Three types Areolar, adipose and reticular 4 main functions Support and bind other tissues, holds body fluids, defends against infection, stores nutrients as fat Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Areolar Adipose Reticular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=loose+connective+tissue+
- 16. Areolar Connective Tissue Gel like matrix Contains Fibroblasts, macrophages, mast cells and some white blood cells Cushions organs Widely distributed Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Adipose Reticular
- 17. Adipose Connective Tissue Similar matrix to areolar connective tissue Adiopcytes closely packed together Functions Stores and reserves food, insulates against heat loss, supports, and protects Present in Under the skin, around kidneys, within abdomen and in breasts Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Reticular Areolar
- 18. Reticular Connective Tissue Loose ground substance with reticular fibers Cells live in a fiber network Forms soft internal skeleton Found in Lymph nodes, bone marrow and spleen Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Areolar Adipose http://images.google.com/images?gbv=2&svnum=10&hl=en&q=reticular+tissue
- 19. Dense Connective Tissue Two types Regular and irregular Fibers are predominant elements Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Loose Connective Tissue Dense Regular Dense Irregular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+connective+tissue
- 20. Dense Regular Connective Tissue Parallel collagen fibers with few elastic fibers Major cell type is fibroblasts Attaches muscle to bone or to other muscles and bone to bone Present in Tendons, ligaments and aponeuroses Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Dense Irregular
- 21. Dense Irregular Connective Tissue Irregularly arranged thick collagen fibers with some elastic fibers Major cell type is fibroblasts Withstands tension in many directions Provides structural strength Found in the dermis Forms fibrous joint capsules and fibrous coverings that surround some organs Tissues Connective Tissue Connective Tissue Proper Cartilage Bone Blood Dense Connective Tissue Dense Regular http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+irregular+tissue
- 22. Cartilage Stands up to tension and compression Lacks nerve fibers A vascular Tough but flexible Chondroblasts 80% water Heals slowly Three varieties Hyaline, elastic and fibrocartliage Tissues Connective Tissue Connective Tissue Proper Bone Blood Hyaline Cartilage Elastic Cartilage Fibrocartilage http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cartilage+tissue
- 23. Hyaline Cartilage Amorphous Firm matrix with imperceptible network of collagen fibers Chondrocytes lie in lacunae Functions Supports, cushions and resists compression Forms costal cartilage Present in Embryonic skeleton, ends of long bones, nose, trachea and larynx Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Elastic Cartilage Fibrocartilage
- 24. Elastic Cartilage Similar to hyaline cartilage but with more elastic fibers Maintains shape and structure Allows flexibility Supports External ear and epiglottis Found where strength and stretchability are necessary Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Hyaline Cartilage Fibrocartilage
- 25. Fibrocartilage Matrix similar to hyaline cartilage Less firm with thick collagen fibers Provides tensile strength Absorbs compression shock Present in Intervertebral discs, pubic symphysis and discs of knee joint Tissues Connective Tissue Connective Tissue Proper Bone Blood Cartilage Hyaline Cartilage Elastic Cartilage
- 26. Bone Osseous tissue Hard Calcified matrix with collagen fibers Osteocytes found in lacunae Functions Supports, protects and provides levers for muscular action Stores Calcium, minerals and fat, marrow in bone Tissues Connective Tissue Connective Tissue Proper Blood Cartilage
- 27. Red and white cells in fluid matrix contained within blood vessels Functions in transport of Respiratory gases, nutrients and wastes Blood Tissues Connective Tissue Connective Tissue Proper Bone Cartilage
- 28. Possesses myofilaments 3 types Smooth, skeletal and cardiac Muscular Tissue Tissues Smooth Muscle Tissue Skeletal Muscle Tissue Cardiac Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=muscular+tissue
- 29. Long, cylindrical, multinucleate cells Functions Initiates and controls voluntary movement Present in Skeletal muscles that attach to bones or skin Skeletal Muscle Tissue Tissues Muscular Tissue Smooth Muscle Tissue Cardiac Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=skeletal+tissue
- 30. Branching, striated, uninucleate cells that inter-block at intercalated discs Propels blood into circulation Present in walls of heart Cardiac Muscle Tissue Tissues Muscular Tissue Smooth Muscle Tissue Skeletal Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cardiac+tissue
- 31. Sheets of spindle Propels substances along internal passageways Present in walls of hollow organs involuntary Smooth Muscle Tissue Tissues Muscular Tissue Cardiac Muscle Tissue Skeletal Muscle Tissue http://images.google.com/images?gbv=2&svnum=10&hl=en&q=smooth+muscle+tissue
- 32. Branched neurons with long cellular processes and supports cells Functions Transmits electrical signals from sensory receptors to effectors Present in Brain, spinal cord and peripheral nerves Nervous Tissue Tissues http://images.google.com/images?gbv=2&svnum=10&hl=en&q=nervous+tissue
- 33. Sound- Adobe Soundbooth and Brittney Bennett Song-Brandon Millares Images from slides 4,6,7,9,11,12,16,17,20,23,24,25,26 and 27 -Brittney Bennett Tissues- http://www.flickr.com/photos/jorrflv/1451540811/in/set-72157602184151046 Epithelial Tissue, Simple Epithelial and Simple Columnar- http://images.google.com/images?hl=en&q=epithelial+tissue&gbv=2 Stratified epithelial- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+epithelial Stratified cuboidal- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=stratified+cuboidal Connective Tissue- http://washington.uwc.edu/about/faculty/schaefer_w/TISSUES/fibrous_connective_tissue_tendon.jpg Connective Tissue Proper- http://images.google.com/imgres?imgurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/s4810x.jpg&imgrefurl=http://anatomy.iupui.edu/courses/histo_D502/D502f04/Labs.f04/connective%2520lab/Lab3f04.html&h=576&w=432&sz=300&hl=en&start=7&tbnid=r2UwEDPOLr2BBM:&tbnh=134&tbnw=101&prev=/images%3Fq%3Dconnective%2Btissue%2Bproper%26gbv%3D2%26svnum%3D10%26hl%3Den Loose Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=loose+connective+tissue Reticular Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=reticular+tissue Dense Connective Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+connective+tissue Dense Irregular- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=dense+irregular+tissue Cartilage - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cartilage+tissue Muscular Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=muscular+tissue Skeletal Muscle Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=skeletal+tissue Cardiac Muscle Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=cardiac+tissue Smooth Muscle Tissue - http://images.google.com/images?gbv=2&svnum=10&hl=en&q=smooth+muscle+tissue Nervous Tissue- http://images.google.com/images?gbv=2&svnum=10&hl=en&q=nervous+tissue Special thanks to Mr.Orr for letting me live in his room for a whole week! Credits