Senior histology
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Senior histology

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Senior histology Senior histology Presentation Transcript

  • Janet J. Nelson RN, CMA
  • ….(with more than 100 types). Similar cells with extracellular matrix and fibers form tissues …..related tissues form organs …..related organs for systems and PRESTO we have a human body
  • 1. CELLS 2. FIBERS 3. EXTRACELLULAR MATRIX These components vary from tissue to tissue!!
  • TISSUE #1 EPITHELIAL TISSUE
  • LABEL SIMPLE EPITHELIAL TISSUE
  • http://www.cedarville.edu/personal/sullivan/histology/epi
  • What view is this?
  • What view is this?
  • Ciliated lines most of the respiratory tract
  • Sweat gland ducts are examples of stratified cuboidal epithelium...usually however there are only two layers of cells.
  • Stratified Columnar epithelium is rare. One place you can find it is in the largest ducts of salivary glands (parotid, submandibular, etc). The basal layer of cells are cuboidal cells and the layer nearest the apical surface includes columnar cells. The large droplets are mucus, in Goblet cells.
  • When the tissue is stretched, the cells, especially those on the surface, become flat. This allows organs lined with transitional epithelium to change shape without damaging the epithelial lining.
  • Orange arrow points to free surface . Image on the left is an empty bladder. Image on right a full bladder
  • EXOCRINE GLANDS EXOCRINE (such as sweat, sebaceous glands)
  • MEMBRANES SEROUS (visceral and parietal) MUCOUS
  • MEMBRANES CUTANEOUS PERIOSTEUM SYNOVIAL
  • Review: http://wps.aw.com/bc_marieb_happlace_7_oa/42/109 64/2807009.cw/index.html http://msjensen.cehd.umn.edu/webanatomy/histolog y/hist_epith_1_m.htm
  • TISSUE #2 CONNECTIVE TISSUE
  • CHARACTERISTICS: Blood supply varies Extracellular matrix varies Fibers vary Notice all the different connective tissue of the elbow
  • http://www.cedarville.edu/personal/sullivan/histolog y/connective/index.htm
  • Reticular tissue highly magnified
  • Ligament………………Tendon……………….Aponeuroses
  • ELASTIC CONNECTIVE TISSUE
  • View video of Haversian system: http://www.youtube.com/watch?v=u1EdyPqhbpA
  • Cells…..Fibers…….Extracellular Matrix HYALINE CARTILAGE C.T.
  • Image from intervertebral disk
  • ADIPOSE TISSUE C.T.
  • VASCULAR C.T.
  • Review: http://wps.aw.com/bc_marieb_happlace_7_oa/42/109 64/2807009.cw/index.html
  • TISSUE #3 MUSCULAR TISSUE
  • MUSCULAR TISSUE Skeletal Muscle Cardiac Muscle Smooth (Visceral) Muscle
  • TISSUE #4 NERVOUS TISSUE
  • NERVOUS TISSUE NEURONS & NEUROGLIA
  • REVIEW