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Anatomy Slideshow Part 2

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    • 1. Simple Cuboidal Epithelium
      • Single layers that are wide
      • Spherical nuclei
      • Secretes and absorbs
      • Forms walls of smallest ducts of glands and kidney tubules
      • Tissues
      • Glandular
      • Stratified
      • Simple
      • Columnar
      • Pseudostratified
      • Squamous
    • 2. Simple Columnar Epithelium
      • Single layer of closely packed cells. Lines digestive tract and rectum.
      • Absorption and secretion
      • Digestive tract lining has two distinct modifications: 10dense microvilli on the apical surface of absorptive cells 2) Goblet cells that secrete a lubricating mucus (unicellular exocrine glands)
      • Some have cilia
      • Tissues
      • Glandular
      • Stratified
      • Simple
      • Pseudostratified
      • Squamous
      • Cuboidal
    • 3. Pseudostratified Epithelium
      • Vary in height.
      • Only the tallest reach the free surface of the epithelium
      • Gives false impression that it has several layers
      • Secretes and absorbs
      • Ciliated version containing goblet cells line the respiratory tract
      • Tissue
      • Glandular
      • Stratified
      • Simple
      • Squamous
      • Cuboidal
      • Columnar
    • 4. Stratified Epithelia
      • Contains two or more cell layers
      • Regenerate from below
      • More durable than simple epithelia
      • Role is protection
      • Tissue
      • Glandular
      • Simple
      • Squamous
      • Cuboidal
      • Columnar
      • Transitional
    • 5. Stratified Squamous Epithelium
      • Most widespread
      • Found in areas subjected to wear and tear
      • Outer layer of the body is called epidermis which is keratinized and the other type is nonkeratinized in the body.
      • Tissue
      • Stratified
      • Cuboidal
      • Columnar
      • Transitional
      • Glandular
    • 6. Stratified Cuboidal Epithelium
      • Quite rare in the body
      • Found in larger glands like sweat glands
      • Typically two layers of cuboidal cells
      • Tissues
      • Stratified
      • Squamous
      • Columnar
      • Transitional
      • Glandular
    • 7. Stratified Columnar Epithelium
      • Limited in the body
      • Some found in pharynx
      • Occurs in transitional areas and junctions
      • Only apical layer is columnar
      • Tissues
      • Stratified
      • Squamous
      • Cuboidal
      • Transitional
      • Glandular
    • 8. Transitional Epithelium
      • Lines urinary organs
      • Basal layer: Cuboidal or columnar
      • Apical layer: varies
      • Has great elasticity
      • Tissues
      • Stratified
      • Squamous
      • Cuboidal
      • Columnar
      • Glandular
    • 9. Glandular Epithelia
      • Consists of one or more cells that make and secrete a product called secretion (aqueous fluid that contains proteins, some release lipid.)
      • Classified as endocrine (internally secreting) and exocrine (externally secreting)
      • 2 types of Exocrine: multicellular and unicellular
      • Most have ducts
      • Tissues
      • Exocrine
      • Endocrine
    • 10. Endocrine Glands
      • Ductless glands
      • Produce a hormone, which is secreted by exocytosis
      • Structurally diverse
      • Secretions vary from peptides, glycoprotiens and steroids.
      • Tissues
      • Glandular
      • Exocrine
    • 11. Exocrine Glands
      • Numerous, many of their products are familiar
      • Secrete products onto body surfaces or into body cavities (either the unicellular glands directly or multicellular glands via epithelium-walled duct that transports it.) These glands are diverse.
      • Secrete: Mucous, sweat, oil and salivary, liver (bile), pancreas (digestive enzymes) and many other secretions
      • Tissues
      • Glandular
      • Endocrine
      • Unicellular
      • Multicellular
    • 12. Unicellular Exocrine Glands
      • Goblet cells are unicellular
      • Produce mucin, which dissolves in water when secreted. It then forms mucus, which protects and lubricates
      • Tissues
      • Glandular
      • Endocrine
      • Multicellular
    • 13. Multicellular Exocrine Glands
      • More complex than unicellular
      • 2 basic parts: duct and secretory unit
      • Structural classifications: simple glands- unbranched duct. Compound glands- branched duct. And by secretory units: tubular, alvelor (flask like sacs), tubuloalveolar (both types)
      • Modes of secretion: merocrine-secreted by exocytosis. (examples-sweat and salvilary glands) Holocrine-secretes by rupturing the cell. (Example- oil glands.)
      • Tissues
      • Glandular
      • Endocrine
      • Unicellular
    • 14. Nervous Tissue
      • Main component in the nervous system
      • Contains neurons: highly specialized nerve cells that generate and conduct nerve impulses
      • Branches cells with cytoplasnic extensions, allowing them to respond to stimuli and transmit electrical impulses
      • Consists of various types of supporting cells. (Non conducting cells that support, insulate and protect the neurons.)
      • Tissues
    • 15. Muscle Tissue
      • Highly cellular
      • Well vascularized
      • Responsible for most types of body movement
      • Possess myrofilaments, which are versions of actin and myosin filaments that bring movement or contraction in all cell types
      • Three types: skeletal, cardiac and smooth
      • Tissue
      • Skeletal
      • Cardiac
      • Smooth
    • 16. Skeletal Muscle
      • Voluntary muscle
      • Connective tissue sheets that attach to the bones of the skeleton
      • Form flesh of the body
      • Cells are also called muscle fibers
      • Tissues
      • Muscle
      • Cardiac
      • Smooth
    • 17. Cardiac Muscle
      • Found only in the wall of the heart
      • To help propel blood through the blood vessels
      • Striated
      • Uninucleate and cells branch together at junctions called intercalated discs
      • Involuntary muscles
      • Tissue
      • Muscle
      • Skeletal
      • Smooth
    • 18. Smooth Muscle
      • No visible striations
      • Spindle shaped with centrally located nucleus
      • Found in walls of hollow organs to squeeze substances within or out of the organ
      • Involuntary
      • Tissue
      • Muscle
      • Skeletal
      • Cardiac
    • 19. Credits
      • ALL TEXT COURTESY OF:
      • HUMAN ANATOMY AND PHYSIOLOGY
      • 7 TH EDITION
      • BY: ELAINE N. MARIEB, R.N.,PH.D.
      • AND
      • KATJA HOEHN, M.D.,PH.D.
      • COPYRIGHT © 2007 PEARSON EDUCATION, INC.
      • PHOTOS THAT APPEAR ON THE ELASTIC, FIBROCARTILAGE, BONE, BLOOD, AREOLAR, ADIPOSE, REGULAR, EPITHELIUM, PSEUDOSTRATIFIED COLUMNAR EPITHELIUM, STRATIFIED COLUMNAR EPITHELIUM, NERVOUS TISSUE, MUSCLE TISSUE, AND
      • SMOOTH MUSCLE SLIDES WERE ALL TAKEN BY :
      • ANGELINE PIERSON
      • IMAGES USED ROYALTY FREE OR UNDER CREATIVE COMMONS:
      • TISSUES:
      • ROYALTY-FREE GETTY IMAGE 7301634
      • CONNECTIVE:
      • WWW.FLICKR.COM/PHOTOS/EECUE/92522517
      • CARTILAGE:
      • ROYALTY-FREE GETTY IMAGE
      • 56961312
      • HYALINE:
      • HTTP://FLICKR.COM/PHOTOS/AKAY/244976013/
      • CONNECTIVE TISSUE PROPER:
      • WWW.FLICKR.COM/PHOTOS/SAULIN/477230791
      • LOOSE:
      • WWW.FLCIKR..COM/PHOTOS/AKAY/244985011
      • RETICULAR:
      • WWW.FLCIKR.COM/PHOTOS/8474332@N04/1377314862
      • DENSE:
      • WWW.FLICKR.COM/PHOTOS/AKAY/244964368
      • IRREGULAR:
      • WWW.FLICKR.COM/PHOTOS/PBCHUA/750577015
      • EPITHELIAL:
      • WWW.FLICR.COM/PHOTOS/AKAY/244960327
      • SIMPLE:
      • WWW.FLICKR.COM/PHOTOS/AKAY/244967339
      • SIMPLE COLUMNAR EPITHELIUM:
      • WWW.FLICKR.COM/PHOTOS/13798178N08/1399343742
      • STRATIFIED EPITHELIA:
      • WWW.FLICKR.COM/PHOTOS/CHRISTIRAINES/376746796
      • STRATIFIED CUBOIDAL EPITHELIUM:
      • WWW.FLICKR.COM/PHOTOS/CHRISTIRAINES/376749258
      • GLANDULAR EPITHELIA:
      • ROYALTY-FREE GETTY IMAGE VIS97713
      • ENDOCRINE GLANDS:
      • HTTP://S184.PHOTOBUCKET.COM/ALBUMS/X294/ANAPHYSO/SLIDES%20REPRODUCTIVE%20AND%20ENDOCRINE/?ACTION=VIEW&CURRENT=IMG_9448.JPG
      • EXOCRINE GLANDS:
      • HTTP://S104.PHOTOBUCKET.COM/ALBUMS/M176/BIOL308/EXERCISE%207-INTEGUMENTARY%20AND%20MUSCULO-SKELETAL%20SYS/?ACTION=VIEW&CURRENT=THINSKIN6.JPG
      • UNICELLULAR EXOCRINE GLANDS:
      • ROYALTY-FREE GETTY IMAGE 56961326
      • MULTICELLULAR EXOCRINE GLANDS:
      • ROYALTY-FREE GETTY IMAGE 56961289
      • MUSCLE TISSUE:
      • WWW.FLICKR.COM/PHOTOS/MATTHEWKENNY/372588353
      • SIMPLE SQUAMOUS:
      • HTTP://FLICKR.COM/PHOTOS/CHRISTIRAINES/376737071/
      • SIMPLE CUBOIDAL EPITHELIUM:
      • HTTP://FLICKR.COM/PHOTOS/11151447@N00/259182432/
      • STRATIFIED SQUAMOUS:
      • HTTP://FLICKR.COM/PHOTOS/AKAY/244978565/
      • TRANSITIONAL EPITHELIUM:
      • HTTP://FLICKR.COM/PHOTOS/CHRISTIRAINES/376743413/
      • CARDIAC MUSCLE:
      • HTTP://FLICKR.COM/PHOTOS/AKAY/244989926/
      • SKELETAL MUSCLE:
      • HTTP://FLICKR.COM/PHOTOS/AJAMER/241672669/
      • SONGS PROVIDED BY:
      • KITANGUS: INTO THE WEST
      • TRACK 1 AND 14
      (I know, I look slightly different now. That’s why I left my name down in the corner!)