Tissues, Cells, Integumentary

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  1. Merocrine secretion
    • (eccrine) secretion cells form secretory product, store in cytoplasm in vesicles and release it by exocytosis
    • -tear, pancreas, gastric
  2. apocrine secretion
    actually merocrine in nature but name has remained
  3. cells accumulate secretory product in cytosol, die and are discharged with their contents as secretion.
    • holocrine secretion
    • oil glands and eyelid
  4. secrete products onto apical surfaces or into ducts for transport onto the free surface
    -sweat mammary, tear
    -unicellular(Golblet cell)/multicellular glands(secreting organ found deep to free surface attached to it via a duct)
    Exocrine gland
  5. 3 basic elements of CT
    • amorpheous ground substance
    • fibers
    • cells
  6. Matrix=
    Ground substance+specific chemicals+fibers
  7. hyaluronic acid
    in ground substance of CT gives water some viscosity
  8. classification of bone tissues
    • loose ct
    • dense ct
    • catilage
    • bone
    • blood
  9. reticular tissue
    • stroma of liver, spleen, lymph nodes, red bone marrow, basement membrance
    • network of short interlacing collagen and reticular fibers and fibroblasts
    • form framework of organs, bind smooth muscle cells
  10. lacunae
    "spaces" in hyaline cartilage
  11. ____ cartilage is a classic example of form follows function
    fibrocartilage bcuz has a lot of collagen fibers to resist weight of body and stretching an pulling
  12. membrane
    an epithilium and underlying connective tissue
  13. mucous membrane
    • the subepithilial layer is held to the ct below by the basement membrane
    • line body cavities that open directly to the external environment
    • line the repiratory tract, digestive and gentiourinary
  14. serous membrane(serosa)
    • line caivities that do not open to exterior of the body and coverthe external(lines thoracic cav) surfaces of the viscera
    • parietal(attached to body wall) and visceral layers(attached to organ)
    • serous fluid between serosa layers that lubricates and allows free movement of organs
  15. not true membranes becuz dont have an epithilial layer
    compsed of aerolar CT with elastic fibers and varying amount of adipose tissue
    cells are Synoviocytes and they secrete synovial fluid
    synovial membrane
  16. fibers are very thin collagen fiber coated with GLYCOPROTEIN. form spongelike framework(stroma) for organs like spleen and lymph nodes
    reticular fibers
  17. glycoprotein
    coat thin collagen fibers in reticular fibers
  18. a cell which originates from a mesenchymal stem cell and forms chondrocytes, commonly known as cartilage cells
    chondroblast
  19. chondrocyte
    cartilage cell which produced cartilaginous matrix
  20. of the skin cover the surface of the body. They consist of stratified squamous epithelium and the underlying connective tissues
    cutaneous membrane
  21. specialized region of connection between two cells
    intercellular junction
  22. macrophage
    • type of white blood cell that ingests forgein materials
    • key player in immune response
  23. layer of dense irregular issue which surrounds the cartilage of developing bone
    perichondrium
  24. tonicity
    ability of a solution to affect the pressure and volume of a cell
  25. inclusions
    temporary structures suspended or stored within the cytoplasm that contain secretion and strorage products of the cell
  26. facilitated diffusion
    • too large or too lipid soluble to diffuse through membrane channels so use transporter proteins, move down the concen gradient
    • depend on concentration grad, number of transporters available, and rate at which transporter and substrate combine
  27. in the layers of the dermis
    the papillary layers is the top made of
    and the reticular is made of
    • areolar and elastic CT
    • dense irregular with elastin
  28. eccrine and apocrine are ____ glands
    suderiferous(sweat) glands
  29. gives your distinct smell in armpit and pubic
    stinky glands we excrete microbial wastes
    • apocrine
    • eccrine
  30. hypodermis
    • subcutaneous layer or superficial facia, not true part of skin
    • areolar and adipose tissue
    • serves to attach dermis to underlying tissues and protection of mech blows, and store energy
  31. cell type in the epidermis produce keratin to protect skin
    has anchoring junctions called desmosomes that weldcells teogether
    keratinocytes
  32. produce the brownblack pigment melanin that absorbs UV light. transfer the melanin tothe keratinocytes in strata spinosum for distribution through the layers
    melanin shelters nucleus from UV
    melanocytes
  33. keratohylin
    • in stratum granulosum that is a precurser of keratin
    • waterproofing substance
  34. eleidin is an intermediate molecule the the formation ofkeratin in
    stratum lucidum(thick skin)
  35. deeper layer of dermis consists of dense irregular CT and interlacing bundles of collagen and elastin fibers
    reticular dermis
  36. dermal papillae
    • in the papillary dermis, are hilllike projections containing loops of blood capillaries
    • resist slippage of epidermis across dermis
  37. in sudiferous gland producing a waxy secretion in the external auditory canal
    ceruminious glands secrete cerumen

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Author:
 acg1860
ID:
 121875
Filename:
 Tissues, Cells, Integumentary
Updated:
2011-12-09 02:43:27
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Tissues cells integumentary
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Tissues, cells, integumentary
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