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Tissue Types in the Body - Coggle Diagram
Tissue Types in the Body
Epithelial
Simple Squamous
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Found in air sacs of lungs, walls of capillaries
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Simple Cuboidal
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Found lining the kidney tubules (ion & pH balance), thyroid gland (hormones), central canal of spinal cord (cerebrospinal fluid)
Single layer of cube shaped cells, centrally located nucleus
Simple Columnar
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Single layer of rectangular shaped cells, nuclei located near basement membrane
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Transitional Epithelium
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Cells near surface can flatten, allowing the tissue to stretch
Dome shaped cells near surface, with irregular-cuboidal shaped cells underneath
Stratified Columnar
Found is male urethra, ducts of salivary glands and cornea of eye
Protects & secretes (waste materials, mucus in the eye)
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Stratified Cuboidal
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Lines sweat glands, and found in endocrine system (secretes necessary substances through the body)
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Stratified Squamous
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Lines body cavities (mouth and vagina), & outer layer of skin
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Muscle and Nerve Tissue
Smooth
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Elongated cells with tapered ends that contain a single, centrally located nucleaus
Skeletal
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Because it is under conscious control, it is also called voluntary muscle
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Cardiac
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Also straited, has a single, centrally located nucleus, and the muscle fibers branch often
Connective
Bone
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Extracellular matrix made of collagen fibers (flexible), & mineralized ground substance (strenghth) made of calcium deposits
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Stores minerals, provides internal support, protects vital organs
Areolar
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Under skin (wraps small blood vessels & nerves), makes up basement membrane
Blood
Transport gasses, nutrients, waste; protects and heals wounds
Red (leukocytes) & white (erythrocytes) cells surrounded by a fluid extracellular matrix called plasma
Dense Regular
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Fibroblast cells surrounded by closely packed, collagen fibers running parallel (slightly wavy)
Adipose
Found beneath skin, in abdominal membranes, and around kidneys, heart, joints
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Consists mostly of adipocytes surrounded by little extracellular matrix (usually clear, colorless, & viscous)
Hyaline Cartilage
Found in the trachea, nose, covers bones where they meet to form joints
Provides stiff, flexible support; reduces friction between bony surfaces
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Fibrocartilage
Grades into dense regular tissue (which is why it looks so similar), found in knee joints, jaw joints, and intervertebral discs
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Nervous Tissue
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Allows the propagation of electrochemical signals in the form of nerve impulses that communicate between different regions of the body