2021-07-16T16:12:43+03:00[Europe/Moscow] en true Glycocalyx, Basal Lamina, Cell Junctions, Hemidesmosomes, Zonula adherens, Zonula occludens , Gap Junction (Nexus), Junctional Complex, Terminal Bar , Zonula adherens, Apical Projections , Microvilli, Microvilli, Location of the Microvilli, Stereocilia, Second Stereocilia , CIlia flashcards
Histology lecture 4 study

Histology lecture 4 study

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  • Glycocalyx
    Glycocalyx
    Protective mechanical barrier associated with the cell membrane in all cells
  • Basal Lamina
    Basal Lamina
    Extracellular matrix secreted by epithelial cells, Visible only with TEM, Makes up a portion of the basement
  • Cell Junctions
    Cell Junctions
    Within Epithelium there are four types of cell junctions which in certain conditions can be observed
  • Hemidesmosomes
    Hemidesmosomes
    “half desmosomes” attach the basal cell membrane to the basal lamina.
  • Zonula adherens
    Zonula adherens Linked to actin cytoskeleton
  • Zonula occludens
    Zonula occludens
    (tight junction)
  • Gap Junction (Nexus)
    Gap Junction (Nexus)
    where cytoplasm of two cells communicate through tiny pores
  • Junctional Complex
    Zonula occludens, Zonula adherens, Macula adherens, Gap junctions
  • Terminal Bar
    Terminal Bar
    All four junctions create these
  • Zonula adherens
    Only one cell junction is unique to epithelia
  • Apical Projections
    Microvilli, Stereocilia, Cilia
  • Microvilli
    Microvilli
    Actin core
  • Microvilli
    Enhances absorption, Expand surface area of cells apex up to 10,000 times
  • Location of the Microvilli
    Mucosal lining of most of the GI tract
  • Stereocilia
    Stereocilia
    Lining of portion of the male reproductive tract (epididymis)
  • Second Stereocilia
    Second Stereocilia
    Lining of the inner ear
  • CIlia
    CIlia
    Lining of uterine portion of the female reproductive tract