Histology Part 2
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Three basic types of muscle | show 🗑
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The meat or flesh of the body attached to the skeleton | show 🗑
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Long, cylindrical, and multinucleated cells with striations present | show 🗑
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Location: Attached to bones, tongue, and facial muscles | show 🗑
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show | skeletal muscle
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show | smooth muscle
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Location: Many viscera, Iris, uterus, blood vessels, respiratory tubes, attached to hair follicles | show 🗑
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Involuntary Muscles | show 🗑
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show | skeletal muscles
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Spindle-shaped with central nuclei that are arranged closely to form sheets. No striations present | show 🗑
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show | cardiac muscle
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show | cardiac muscle
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Function: to pump blood | show 🗑
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show | neurons and neuroglia
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Excitable cells because they exhibit signals called action potentials | show 🗑
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show | neuroglia
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Location: brain, spinal cord, peripheral nerves | show 🗑
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Function: transmit electrical signals from sensory effectors to acceptors | show 🗑
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show | skin and accessory organs
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Hair, nails, sweat glands, salivary glands | show 🗑
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Provides protective covering for deeper tissues, aid in regulating body temperature, retard water loss, house sensory receptors, synthesize various chemicals, and excrete small quantities of wastes | show 🗑
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show | integumentary system
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2 distinct regions of the skin | show 🗑
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show | epidermis
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Deep and consist of connective tissue | show 🗑
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Not part of the skin, deep to dermis, and consist of adipose tissue | show 🗑
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Location: areolar and dense irregular | show 🗑
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Function: cushion and insulation | show 🗑
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Avascular and contain 4 or 5 layers | show 🗑
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5 layers of epidermis | show 🗑
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Single row that are mitotic | show 🗑
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show | stratum spinosum
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Thin layer in upper border where cells begin to die | show 🗑
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Clear, thin translucent- only found in thick skin | show 🗑
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20 – 30 layers deep, horny layer, dead skin layer | show 🗑
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show | keratinocytes
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Function: gives epidermis durability and protective capability | show 🗑
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show | melanocytes
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Function: protects nuclei of cell from UV rays | show 🗑
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show | dermis
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Superficial and composed of areolar CT | show 🗑
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show | reticular dermis
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Where you’ll find sensory receptors, veins, arteries, sweat and oil glands and pressure receptors | show 🗑
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Hornlike projectors | show 🗑
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Inside root, outside shaft | show 🗑
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Small band of smooth muscle cells which connect each cell to papillary layer | show 🗑
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Oil glands- found everywhere except palms and soles; empty into hair follicles; acts as lubricant | show 🗑
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show | eccrine/merocine and apocrine
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show | Eccrine/ merocrine
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Found in armpit and genital area; secrete milky protein and fat rich substances | show 🗑
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Created by:
Lisa Hall
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