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53 Cards in this Set
- Front
- Back
- 3rd side (hint)
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tissue
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group of similar cells that perform a specific function(test question)
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epithelium
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sheetlike tissue that has one free surface-one surface faces an internal body fluid or outside environment
lines body cavities, ducts, and tubes |
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basement membrane
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a non-cellular membrane positioned between an epithelium and underlying tissue
densely packed proteins and polysaccharides |
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simple epithelium
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one layer
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pseudostratified epithelium
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looks stratified but really single layer-often have cilia(test question) columnar
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stratified epithelium
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more than one layer-protective function
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gland
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makes and releases products such as saliva or mucus
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exocrine gland
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release through duct or tube
mucus, salvia, oil, wax, etc... |
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endocrine gland
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makes hormones released directly into fluid
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Skin epithelial cells
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Protect the body from injury
Protect against ultraviolet light Protect against water loss Protect against disease-causing organisms |
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Connective tissue
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-Connects
-Supports -Anchors the body’s parts *Makes up more of your body than any other tissue |
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Fibrous
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-loose
-dense -elastic |
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Specialized Connective Tissue
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-cartilage
-bone -adipose tissue -blood |
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collagen
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most abundant protein in body
*not a connective tissue(test question) |
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Tight junctions
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Block leaking between adjoining cells
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Adhering junctions
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Cement cells together
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Gap junctions
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-Channels that connect the cytoplasm of neighboring cells
-Abundant in smooth and cardiac muscle |
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Muscle tissue
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contracts and shortens when stimulated by an outside signal
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Skeletal muscle
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striated; usually attached to bone; voluntary; multinucleated
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Smooth muscle
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tapered; walls of internal organs; involuntary; uninucleated
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Cardiac muscle
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cardiac wall; branching: special cellular junctions (intercalated discs); involuntary;uninucleated
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Nervous tissue
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Consists mostly of two types of cells
Neurons (nerve cell) Neuroglia (support cells) |
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Dendrites
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neuron extension that carries ingoing messages
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axon
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neuron extension that carries outgoing messages
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glial cell
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-90% of cells in nervous system
-Bring nutrients to the neurons -Remove debris -Physically support neurons |
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neuron
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nerve cell
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Myelin Sheath(Schwann cells)
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Provide insulation
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tight junctions
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block leaking between cells
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Adhering junctions
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cement cells together
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Gap junctions
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channels that connect the cytoplasm of neighboring cells
*allow cells to communicate(test question) |
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cartilage
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mainly collagen plable, rubbery ground substance(test question)
-contains no blood vessels(test question) -hyaline-glassy -joints, ribs, nose, windpipe, embryo skeleton -elastic-collagen & elastin-ears -fibrocartilage-thick bundles of collagen-knee, disks spine |
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bone
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strong mineral hardened matrix
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adipose tissue
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soft filled with fat(test question)
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blood
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matrix filled with fluid blood plasma
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muscle tissue
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tissue built of cells that can contract
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skeletal muscle
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main tissue of muscles that attach to bone
-voluntary contractions |
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smooth muscle
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found in walls of blood vessels, digestive tract, reproductive, bladder, hollow organs
-involuntary |
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cardiac muscle
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make up wall of heart
-invlountary |
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cutaneous membrane
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skin-a type of epithelial membrane
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mucous membranes
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epithelial membrane that lines tubes and cavities of the digestive, respiratory, uninary, and reproductive
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serous membrane
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epithelial membrane that occurs in paired sheets
-lack glands but secrete fluid that fills the space between the sheets |
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synovial membrane
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connective tissue membrane that lines joint cavities
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membrane
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a thin sheetlike tissue covering
-two types --epithelial --connective tissue |
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organ
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structure built of two or more kinds of tissue that together perform one or more functions
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organ system
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combination of two or more organs that work together to carry out a specific function
-the human body has 11 |
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skin
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largest area of any organ
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epidermis
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top layer of skin
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dermis
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skin layer under epidermis
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hypodermis
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under dermis contains fat and anchors the skin
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keratinocyte
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cells that makes protein keratin
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melanocyte
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cells that makes skin pigment melanin
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Langerhans cells
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phagocyytes -consume bacteria or viruses
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Granstein cells
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help control immune responses in skin
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