AP Tissues

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  1. Name the four tissue types and their functions
    • • Epithileal covers surfaces, absorbs, filters, excretes, sensory reception
    • • Connective- protection,support or binding
    • • Muscle-movement
    • • Nervous-communication
  2. Epithileal: 2 main types, 3 subtypes
    • • 2 main-simple and stratified
    • • 3 subtypes-squamous, cuboidal, columnar (pseudostratified)
  3. Epithileal-5 characteristics
    • • Polarity apical/basal
    • • Cellularity-tends to be only type
    • • Supported by connective tissue
    • • Avascular
    • • Regenerative
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    What type of tissue is this, where is it found, what is its function?
    • Pseudostratified
    • Secretion of mucus, propulsion of mucus
    • Nonciliated in sperm ducts and ducts of large glands, ciliated in the trachea, most of the UR tract.
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    Tissue type, location (5), purpose (2)?
    • Simple Squamous
    • Found in
    • kidney glomeruli,
    • air sacs of lungs,
    • lining of heart,
    • blood vessels and lining of heart,
    • lining of ventral body cavity (serosae)

    • Allows passage of materials by diffusion and filtration in sites where protection is not important
    • Secretes lubricating substances in serosae.
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    Tissue, locations (3), purpose (1)
    • Simple Cuboidal
    • Kidney tubules
    • Ducts and ssecretory portions of small glands
    • ovary surface.

    Secretion and absorption.
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    Type, locations (6), functions (3)
    • Simple Columnar
    • Nonciliated-digestive tract, gallbaldder, excretory ducts of some glands
    • Ciliated-Small bronchi, uterine tubes, some regions of the uterus.
    • Functions:
    • Absorption
    • Secretion
    • propels mucus or reproductive cells

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    Tissue, locations, functions
    • Pseudostratified
    • Nonciliated in malesperm ducts, ducts of large glands, celiated upper respiratory tract.
    • Secretion of mucus, propulsion of mucus
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    Tissue, locations (4), functions (1)
    • Stratified squamous Epithileum
    • Nonkeratinized forms moist linings of esophagus, mouth, vagina
    • Keratinized epidermis of skin
    • Protects underlying tissues in areas subjected to abrasion.
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    Type, function (1), location (3)
    • Stratified cuboidal
    • Protection
    • Largest ducts of sweat glands, mammary glands, salivary glands
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    Type, locations, functions
    • Stratified Columnar
    • Rare in the body-small amounts in male urethra, some large gland ducts.
    • Protection, secretion
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    Type, functions, locations
    • Transitional Epithelium
    • stretches and permits distension of orinary organ
    • Lines the ureters, bladder and part of the urethra
  13. Connective Tissue Types (5)
    • Osseous
    • Dense
    • Aerolar
    • adipose
    • Hemapoetic
  14. Connective Tissue characteristics (3)
    • Vascularized (generally)
    • Many types of cells
    • Non-living matrix
    • All other connective types are variations of aerolar prototype
  15. Describe Extracellular Matrix
    • Ground substance=sieve
    • 3 types of fibers
    • collagen (white)
    • elastic (yellow)
    • reticular (fine collagen)
  16. Name the four connective tissue types
    • Connective tissue proper (loose, dense)
    • Cartilage
    • Bone
    • Blood
  17. Naming convention for epithileal tissue
    • Simple or stratified
    • Type squamous, cuboidal, columnar
    • Ends with epithileal
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    Tissue, locations (4), functions (4)
    • Loose aerolar tissue.
    • Has gellike matrix with all three fiber types, cells, fibroblasts, mactrophages, mast cells and some white cells.
    • Wraps and cushions organs
    • Macrophages phagocytize bacteria,
    • Important role in inflammation
    • Conveys tissue fluid
    • Widely distrubeted under epithilea
    • Forms lamina propria of mucous membranes
    • Packages organs
    • Surrounds capillaries
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    Type, locations, functions
    • Mesenchyme-embryonic connective tissue gel like ground substance containing fibers and star-shaped mesenchymal cells.
    • Gives rise to all other conncective tissue types
    • Primarily located in embryo
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    Type, Functions (4), locations (5)
    • Loose connective adipose-very sparse, closely packed fat cells, nucleus pushed to the side by large fat droplet
    • provides reserve fuel, insulates against heat loss, supports and protects organs.
    • Under skin, around kidneys and eyeballs, within abdomen, in breasts.
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    Type, functions (1), locations (3)
    • Loose connective reticular Network of reticular fibers in a loose ground substance, reticular cells lie on the network
    • Soft internal skeleton (stroma) that supports other cell types including WBC, mast, macrophages.
    • Lymphoid organs (lymph nodes, bone marrow, spleen).
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    Type, locations(3), functions(3)
    • Dense Regular-primarily parallel collagen, few elastin, major cell type is fibroblast
    • Attaches muscles to bones or to muscles, attaches bones to bones, withstands great tensile stress when pulling force in one direction.
    • Tendons, most ligaments, aponeuroses (muscle connections to part it moves)
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    Type, locations (4), functions(2)
    • Dense irregular primarily collagen, some elastic fibers, maor cell type is fibroblast.
    • Able to withstand tension extended in many directions, provides structural strength.
    • Dermis of the skin, submucosa of digestive tract, fibrous capsules of organs and joints.
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    Type, locations (6), functions (3)
    • Hyaline Cartilage-amorphous but firm matrix, collagen fibers form an impercipble network, chondroblasts produce the matrix and when mature, chondrocyte lie in lacunae
    • Supports and reinforces, has resilient cushioning properties, resists compressive stress
    • Forms most most of the embryonic skeleton, covers ends of long bones in joint cavities, forms costal cartilages of the ribs, cartilages of the nose, trachea, and larynx.
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    Type, locations (2), functions(2)
    • Elastic cartilage-similar to hyaline but more elastic fibers in matrix
    • Maintains shape of a structure while allowing great flexibility
    • Supports outer ear, epiglottis
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    Type, locations (3), functions (2)
    • Fibrocartilage-Matrix similar to but less firm than hyaline catilage, thick collagen fibers prdominate
    • Tensile strength with ability to absorb compressive shock
    • Intervetebral discs, bubic symphysis, discs of knee joint
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    Type, locations (1), functions(5)
    • Osseus-hard, calcified matrix with many collagen fibers,very well vascularized.
    • Bone supports and protects by enclosing, levers for muscles, stores calcium and other minerals and fat, marrow is site for hemapoesis.
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    Label parts (3)
    • Central Canal
    • Lacunae
    • Lamella
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    • Blood-red and white cells in a fluid matrix
    • Transports respiratory gases, nutrients, wastes, etc.
    • Contained within blood vessels
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    • Nervous tissue-branching cells, process may be quite long and extend from the cell body, nonirritable tissues are included.
    • Transmits electrical signals from sensory receptors and to effectors which control their activity.
    • Brain, spinal cord and nerves.
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    • Skeletal muscle-long, cylindrical, multinucleate cells with striations.
    • Voluntary movement, locomotion, manipulation of environment, facial expression
    • Skeletal muscle attached to bone, occasionally to skin.
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    • Cardiac muscle-branching, striated, generally ununucleate cells that interdigitate at specialized junctions (intercalated discs).
    • As it contracts, it propels blood into the circulation, voluntary control.
    • Located in walls of the heart
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    • Smooth muscle-spindle shaped cells with central nuclei, no striations, cells arranged closely to form sheets.
    • Propels substances (food, fluid, baby) along internal passageways, involuntary control.
    • Mostly in walls of hollow organs.
  34. The most durable tissue type
  35. Most widespread tissue in the body
  36. Anchors, packages and supports body organs
    Connective Tissue
  37. Basement membrane
    a thin sheet of fibers that underlies the epithelium
  38. Goblet cells
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    Glandular simple columnar epithelial cells whose sole function is to secrete mucin, which dissolves in water to form mucus.
  39. Fibroblast
    A fibroblast is a type of cell that synthesizes the extracellular matrix and collagen, the structural framework (stroma) for animal tissues, and plays a critical role in wound healing. Fibroblasts are the most common cells of connective tissue in animals.
  40. Fibroblast
  41. Intercalated discs
    Intercalated discs support synchronised contraction of cardiac tissue.
  42. Serosa
    serous membrane (or serosa) is a smooth membrane consisting of a thin layer of cells, which secrete serous fluid, and a thin epithelial layer
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AP Tissues
2013-02-19 04:49:09
anatomy tissues

Anatomy tissues
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