Body Tissues
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| show | groups of cells with similar structure and function
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| List 4 Primary Types | show 🗑
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| Epithelial Tissue | show 🗑
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| Characteristics of Epithelial Tissue | show 🗑
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| Simple Squamous | show 🗑
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| Simple Cuboidal | show 🗑
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| show | -single layer of tall cells
-include mucus that produce goblet cells
-location: lines digestive tract
-functions: secretion, absorption
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| show | -single layer, but some cells are shorter than others, tallest appeal to surface
-looks like a double layer of cells but all cells rest on the basement membrane.
-location: respiratory tract
-functions: absorption, secretion,
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| show | -cells at the apical surface are flattened.
-functions as a protective covering where friction is common
-locations: lining of the skin, mouth, esophagus.
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| show | -two layers of cuboidal cells
-function: protection
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| show | -surface cells are columnar, basal cells are cuboidal
-function: protection
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| show | -rare in human body
-found in ducts of large glands
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| show | -composed of modified stratified squamous
-shape of cells depends upon the amount of stretching
-functions: stretching and the ability to return to normal shape
-location: lines organs of the urinary system
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| Glandular Epithelium | show 🗑
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| show | 1)endocrine gland
2)exocrine gland
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| show | -ductless since secretions diffuse into blood vessels
-all secretions are hormones
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| Exocrine Gland | show 🗑
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| show | 1)mecrocine: i.e. sweat and salivary gland
2) holocrine: keep producing until cell bursts
3)apocrine
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| show | -found everywhere in the body
-includes most abundant tissues
-functions: binds body tissues together and supports the body, provides protection, insulation, transportation.
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| show | -all connective tissue drives from the mesenchymes
-variations in blood supply. (some tissue types are well vascularized, some have a poor blood supple or are avascular)
-extracellular matrix: non-living material that surrounds living cells.
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| Extracellular Matrix | show 🗑
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| show | mostly water along with adhesion proteins and polysaccharide molecules.
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| Fibers | show 🗑
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| show | -embryonic connective tissue
-gel like ground substance with fibers and star shaped mesenchymal cells
-give rise to all other connective tissue
-found in the embryo
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| List 3 Types of Loose Connective Tissue | show 🗑
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| show | -most widely distributed connective tissue
-soft, pliable tissue like "cobwebs"
-functions as a packing tissue
-contains all fiber types
-can soak up excess fluid
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| show | -matrix is an areolar tissue in which fat globules predominate
-many cells contain large lipid deposits
-functions: insulates the body, protects some organs, serves as a site of fuel storage
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| Loose Connective Proper: Reticular Tissue | show 🗑
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| show | -main matrix element is collagen fiber
-fibroblasts are cells that make fibers
-location: tendons, ligaments, dermis.
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| Hyaline Cartilage | show 🗑
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| show | -highly compressible
-locations: forms cushion (discs between vertebrae)
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| Bone (Osseous Tissue) | show 🗑
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| show | -blood cells surrounded by fluid matrix called blood plasma
-fibers are visible during clotting
-functions as the transport vehicle for materials.
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| show | 1)cutaneous 2)mucous 3)serous
*all made up of epithelial and connective*
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| Cutaneous Membrane | show 🗑
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| Mucous Membranes | show 🗑
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| show | -found in closed ventral body cavities
-mesothelium (simple squamous)
-loose connective (areolar)
-name for organ association
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| show | -highly cellular
-well vascularized
-myofilaments
-may be under voluntary or involuntary control
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| List 3 Types of Muscle Tissue | show 🗑
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| Skeletal Muscle | show 🗑
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| Cardiac Muscle | show 🗑
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| show | -under involuntary control
-found in walls of hollow organs such as stomach, uterus, and blood vessels
-characteristics of smooth muscle cells: no visible striations, one nucleus per cell, spindle-shaped cells
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| show | -composed of neurons and nerve support cells
-function is to send impulses to other areas of the body
-support cells called neuroglia insulate, protect, and support neurons
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| show | lining of the body cavities
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| Visceral | show 🗑
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| Regeneration | show 🗑
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| show | repair by dense connective tissue (scar tissue)
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| show | 1)type of tissue damage
2)severity of the injury
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| show | 1)inflammation
2)granulation tissue forms
3)regeneration of surface epithelium
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| show | -capillaries become very permeable
-clotting proteins migrate into the area from the blood stream
-a clot walls off the injured area
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| show | -growth of new capillaries
-rebuild collagen fibers
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| show | -scab detaches
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| Tissues that regenerate easily | show 🗑
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| Tissues that regenerate poorly | show 🗑
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| show | -cardiac muscle
-nervous tissue within the brain and spinal cord
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| show | -ectoderm
-mesoderm
-endoderm
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| show | creates skin and nervous tissue
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| mesoderm | show 🗑
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| show | creates mucosae
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| show | formation of cancer
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| show | 1)oncogenesis
2)tumorigenesis (formation of tumor)
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| show | -growth factor independence (uncontrolled cell division)
-angiogenesis (blood vessel growth)
-immortality (replicate indefinitely)
-evasion of spoptosis
-invasive ability
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| show | -tumor
-compact
-slow growing
-contained
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| show | -cancer
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| Metastasis | show 🗑
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Created by:
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