Tissue crap and whatnot
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Epithelial tissue | show 🗑
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| Connective tissue | show 🗑
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| Muscle tissue | show 🗑
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| Nervous tissue | show 🗑
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| show | -Membranes of adjacent cells merge and fuse.
-Located among cells that form linings, sheet-like layers.
-Blood-brain barrier.
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| show | -Form “spot welds” between cells.
-Structural reinforcement.
-Located among outer skin cells.
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| show | -Tubular channels between cells.
-Molecules can move between cells.
-Located in cardiac muscle cells.
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| Epithelial tissue classification and shapes | show 🗑
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| show | -Single layer of thin, flat cells
-Substances pass easily through air sacs (alveoli) & capillaries.
-Thin & delicate, can be damaged.
-Found in diffusion & filtration sites.
-Lines air sacs (alveoli) & capillaries.
-Lines blood & lymphatic vessels.
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| show | -Single layer of cube-shaped cells.
-Secretion and absorption.
-Lines kidney tubules, thyroid follicles.
-Covers ovaries.
-Lines ducts of some glands.
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| Simple columnar: | show 🗑
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| Pseudostratified columnar: | show 🗑
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| Stratified squamous: | show 🗑
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| Stratified cuboidal: | show 🗑
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| show | -Top layer of elongated cells.
-Cube-shaped cells in deeper layers.
-Lines part of male urethra, ducts of exocrine glands.
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| show | -Many cell layers.
-Cube-shaped and elongated cells.
-Changes shape with increased tension; stretches.
-Line urinary bladder, ureters, and part of urethra.
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| Glandular Epithelium | show 🗑
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| There are 2 types of glands | show 🗑
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| show | secrete into tissue fluid or blood.
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| show | secrete into ducts that open onto surface.
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| show | Unicellular
Multicellular
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| Unicellular exocrine gland | show 🗑
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| show | -Composed of many cells.
-Sweat glands, salivary glands, etc.
-Simple or compound.
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| Simple structure Exocrine gland | show 🗑
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| show | duct branches before it reaches secretory portion
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| show | consist of epithelial-lined tubes
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| show | terminal portions form sac-like dilations
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| show | Secrete fluid products by exocytosis; salivary & sweat glands, pancreas
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| show | Lose small part of cell during secretion; mammary & ceruminous glands
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| Holocrine glands: | show 🗑
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| Fibroblasts: | show 🗑
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| show | -Major cell type of Connective tissue
-Usually attached to fibers, but can detach and wander
-Conduct phagocytosis.
-Defend against infection.
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| show | -Major cell type of Connective tissue
-Large cells.
-Release heparin to prevent blood clotting.
-Release histamine, which causes inflammatory response.
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| Fibroblasts produce 3 types of fibers in connective tissue | show 🗑
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| show | -Thick threads of collagen, the body’s main structural protein.
-Great tensile strength and flexible, slightly elastic.
-Found in ligaments and tendons.
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| Elastic (Yellow) Fibers: | show 🗑
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| show | -Thin, branching fibers of collagen.
-Form delicate, supporting networks.
-Found in spleen, liver.
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| Connective Tissue Proper: | show 🗑
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| show | Dense Regular.
Dense Irregular.
Elastic.
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| show | Areolar.
Adipose.
Reticular.
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| Specialized connective tissues: | show 🗑
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| show | -Forms thin, delicate membranes.
-Cells are mainly fibroblasts.
-Gel-like ground substance.
-Collagenous & elastic fibers.
-In subcutaneous layer.
-Beneath most epithelia, where it nourishes nearby epithelial cells.
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| show | -Adipocytes store fat.
-Push their nuclei to one side.
-Crowd out other cell types.
-Cushions and insulates.
-Beneath skin (subcutaneous layer).
-Behind eyeballs.
-Around kidneys and heart.
-Spaces between muscles
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| show | -Composed of thin reticular fibers.
-Supports walls of internal organs.
-Walls of liver, spleen.
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| Dense Regular Connective Tissue: | show 🗑
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| Dense Irregular Connective Tissue: | show 🗑
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| Elastic Connective Tissue: | show 🗑
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| Cartilage: | show 🗑
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| show | Hyaline, Elastic, and Fibrocartilage.
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| Hyaline cartilage: | show 🗑
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| Elastic cartilage: | show 🗑
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| show | Very tough, due to many collagenous fibers.
Shock absorber.
Intervertebral discs.
Pads of knee and pelvic girdle.
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| Bone (Osseous Tissue): | show 🗑
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| show | compact and spongy.
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| show | Osteoblasts deposit matrix in lamellae (layers).
Lamellae occur in rings around central canals.
Osteocytes + matrix + central canal form cylindrical units called.
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| Osteons: | show 🗑
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| Blood: | show 🗑
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| show | are composed of epithelial and connective tissue; cover body surfaces and line cavities
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| 3 types of epithelial membranes | show 🗑
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| Serous membranes: | show 🗑
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| Mucous membranes: | show 🗑
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| Cutaneous membranes: | show 🗑
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| show | Different from epithelial membranes.
Composed entirely of connective tissue.
Line joint cavities.
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| Skeletal muscle tissue: | show 🗑
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| Smooth muscle tissue: | show 🗑
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| Cardiac muscle tissue: | show 🗑
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| show | Found in brain, spinal cord, peripheral nerves
Main cells are neurons, which are specialized for communication via conduction of nerve impulses
Neurons coordinate, integrate,®ulate body functions
Neuroglia support&nourish neurons
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Created by:
Devtemrys
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