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Tissue
Tissue Human Anatomy 232 Brown S14
| Term | Definition |
|---|---|
| Skeletal Muscle | Striated, mutlinucleated, voluntary movement, attached to bones and sometimes skin |
| Striations | the overlapping pattern of parallel thick and thin contractile protein filaments inside the cell |
| Smooth muscle | non-striated, centrally located nucleus, involuntary movement, Located in hollow organs |
| Cardiac muscle | striated, intercalated discs, involuntary movement, located in the heart |
| Intercalated disk | strong gap junctions between cells |
| 4 types of tissue | Epithelial, connective, nervous, muscle |
| Tissue | Group of cells working together, for a purpose, through the body |
| Epithelial Tissue | covers exposed surfaces and lines body cavities |
| Connective Tissue | Protects/supports and interconnects body parts & organs |
| Muscle Tissue | shortens to produce movement |
| Nervous Tissue | conducts impulses for internal communication |
| Adipocytes | fat cells |
| Function of Simple Squamous | Allows diffusion |
| Location of Simple Cuboidal | kidney tubules |
| Location of Simple Columnar | GI lining |
| Location of Simple Squamous | Alveoli of lungs |
| What is lumen? | middle of an artery where things flow |
| What is the basement membrane? | is a thin extracellular layer between epithelium and underlying connective tissue |
| Neurons | Sends electrochemical signals |
| Fibrocyte | fiber cell |
| Collagen Fiber | bundles of protein |
| What does microvilli do? | increase the surface area for secretion and absorption |
| Where are microvilli located? | on the surface of cells |
| Simple cuboidal (function) | Absorption and secretion |
| Simple columnar (function) | absorption and secretion, secretion of mucin |
| Goblet cell | secrete mucin |
| Pseudostratified ciliated columnar | Protection, secretion of mucin, and movement of mucus across surface |
| Cilia | Hair like structures that provide movement |
| Stratified squamous – keratinized | Protection of underlying tissue |
| Hyaline cartilage | supports soft tissue, and model for bone growth |
| Chondrocyte | mature cartilage cells |
| Matrix (Ground substance) | consists of protein and carbohydrate molecules and variable amounts of water |
| Areolar | binds and packs around organs |
| Elastic fiber | contain the protein elastin;allows skin, lungs, and arteries to return to normal after stretching |
| Adipose | protects; stores fat; and insulates |
| Blood | |
| Erythrocyte | red blood cells |
| Leukocyte | white blood cells |
| Platelet | cell fragment that helps with blood clotting |
| Neurons | |
| Axon | carries outgoing signals to other cells |
| Cell body of neuron | controls the cell and produces protein for the cell |
| Cardiac striations | light and dark bands in/on tissue |
| Transitional epithelium | varies in appearance depending on whether it is in a relaxed or stretched state |
| Fascia | sheath of fibrous tissue that envelops the body beneath the skin |
Created by:
Dr Jay Brown
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