Human Anatomy (Marieb)
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| What kind of membrane covers the body surface? | Cutaneous
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| What kind of membrane covers the body cavities that are open to the exterior? | Mucous
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| What kind of membrane covers the body cavities that are closed to the exterior? | Serous
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| What are neurons? | Specialized nerve cells that generate and conduct nerve impulses
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| What are neuroglia? | Supporting cells that support, insulate, and protect neurons
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| What are the three types of muscle tissue? | Skeletal, Cardiac muscle, and Smooth muscle tissues
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| What is the only kind of voluntary muscle tissue | Skeletal
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| True or False. Nerve fibers are found in cartilage as well as in the spinal column | False
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| What does Avascular mean | Lacking blood vessels, cartilage receives nutrients from the surrounding membranes
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| What are the three types of cartilage? | Hyaline, Elastic, and Fibrocartilage
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| What is the tissue name for bone? | Osseous Tissue
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| What are 4 functions of bone? | Supports the body
Protects the body
Stores fat
synthesizes blood cells
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| Does bone have more collagen or cartilage? | Collagen
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| What do Osteoblasts do? | Produce Matrix
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| What do Osteocytes do? | Maintain the matrix
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| What are dense regular connective tissues? | closely packed bundles of collagen fibers running parallel to the direction of pull
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| What is Adipose tissue? | Fat
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| What are three functions of Adipose tissue | Shock absorption
Insulation
Energy Storage
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| What is adipocyte? | Cell specialized for fat storage
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| What is the medical meaning of "-blast"? | Immature form of cell
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| What are the abilities of extracellular matrix? | bears weight
soft packing around organs
withstands stretching and abrasion
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| Name three kinds of fibers. | Collagen
Elastic
Reticular
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| what are some functions of connective tissues? | Binding and support
protection
insulation
storing reserve fuel
transporting substances (blood)
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| What is Glandular Epithelial Tissue | Cells that make or secrete a product
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| In what two ways are Glandular Epithelial Tissue classified? | Site of product release
unicellular or multicellular
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| Describe Endocrine cells | lose connection to the surface
ductless
secretions go directly to blood
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| Where are Endocrine cells located? | Adrenal and thyroid
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| Describe Exocrine cells | Retain ducts
secretions empty into epithelial surface
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| Where are Exocrine cells located? | Sweat glands, oil glands, mucus, salivary
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| Describe some special characteristics of epithelial tissue | Fit closely together in sheets (except glandular)
Have one unattached surface
Have a lower surface
Depend on diffusion from capillaries for nutrients and oxygen
Can regenerate easily if healthy
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| What is the apical membrane? | The unattached surface of the epithelial tissue
(Cilia, microvilli here if present)
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| What is the name of the lower surface of the epithelial tissue? | Basement or basal membrane
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| How are Epithelial Tissues characterized? | Cell arrangement (# of layers)
Shape
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| What are the main functions of Epithelial Tissues | Protection
Absorption
Filtration Secretion
Excretion
Secretion
Sensory Recept
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| What are some things that happen to tissues as we age? | Epithelia thin so more easily breached
Tissue repair becomes less efficient
Bone, muscle and nervous tissues begin to atrophy
DNA mutations possible (increased cancer risk)
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