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GE 258 CH 4
| Question | Answer |
|---|---|
| Cellularity-composed almost entirely of cells | Epithelial Tissue |
| Special contacts-form continuous sheets held together by tight junctions and desmosomes | Epithelial Tissue |
| Polarity-apical and basal surfaces | Epithelial Tissue |
| supported by connective tissue-reticular and basal laminae | Epithelial Tissue |
| Avascular but innervated-contains no blood vessels but supplied by nerve fibers | Epithelial Tissue |
| Regenerative-rapidly replaces lost cells by cells division | Epithelial Tissue |
| single layer of flattened cells with disc-shaped neclei and sparse cytoplasm | Epithelial: Simple Squamous |
| Function: diffusion and filtration | Epithelial: Simple Squamous |
| Present in the kidney glomeruli, lining of heart, blood vessels, lumphatic vessels and serosae | Epithelial: Simple Squamous |
| single layer of cube-like cells with large, spherical central nuclei | Epithelial: Simple Cuboidal |
| Function in secretion and absorption | Epithelial: Simple Cuboidal |
| Present in the kidney tubules, ducts and secretory portions of small glands, and ovary surface | Epithelial: Simple Cuboidal |
| Single layer of tall cells with oval nuclei; many contain cilia | Epithelial: Simple Columnar |
| Goblet cells are often found in this layer | Epithelial: Simple Columnar |
| Functions in absorption and secretion | Epithelial: Simple Columnar |
| single layer of cells with different heights; some do not reach the free surface | Epithelial: Pseudostratified Columnar |
| Nuclei are seen at different layers | Epithelial: Pseudostratified Columnar |
| Function in secretion and propulsion of mucus | Epithelial: Pseudostratified Columnar |
| Present in the male sperm-carrying ducts and trachea | Epithelial: Pseudostratified Columnar |
| Thick membrance composed of several layers of cell | Epithelial: Stratified Squamous |
| Function in protection of underlying areas subjected to abrasion | Epithelial: Stratified Squamous |
| Forms external part of skin's epidermis, and linings of the esophagus, mouth, and vagina | Epithelial: Stratified Squamous |
| several cell layers, basal cells are cuboidal, surface cells are dome shaped | Epithelial: Transitional |
| Stretches to permit the distension of the urinary bladder | Epithelial: Transitional |
| Lines the urinary bladder, ureters, and part of the urethra | Epithelial: Transitional |
| Functions of connective tissue | 1. binding and support 2. protection 3. insulation 4. transportation |
| Common tissue of origin | Mesenchyme |
| unstructured material that fills the space between cells | ground substance |
| collagen, elastic, or reticular | fibers |
| tought; provides high tensile strength | collagen |
| long; thing fibers that allow for stretch | elastic |
| branched collagenous fibers that form delicate networks | reticular |
| embryonic connective tissue | mesenchyme |
| gel-like matrix with all three connective tissue fibers | aerolar connective tissue |
| wraps and cushions organs | aerolar connective tissue |
| reserves food stores, insulates against heat loss, and supports and protects | adipose connective tissue |
| found under skin, around kidneys, within abdomen, and in breast | adipose connective tissue |
| forms a soft internal skeleton, or stroma, that supports other cell types | reticular connective tissue |
| found in lymph nodes, bone marrow, and the spleen | reticular connective tissue |
| parallel collagen fibers with a few elastic fibers | connective tissue proper: dense regular |
| attaches muscles to bone or to other muscles, and bone to bone | connective tissue proper: dense regular |
| found in tendons, ligaments, and aponeuroses | connective tissue proper: dense regular |
| irregularly arranged collagen fibers with some elastic fibers | conntective tissue proper: dense irregular |
| withstands tension in many directions providing structural stength | connective tissue proper: dense irregular |
| found in the dermis, submucosa of the digestive tract, and fibrous organ capsules | connective tissue proper: dense irregualr |
| supports, reinforces, cushions, and resists compression | connective tissue: hyaline cartilage |
| found in embryonic skeleton, the end of long bones, noes, trachea, and larynx | connective tissue: hayline cartilage |
| maintains shape and structure while allowing flexibility | connective tissue: elastic cartilage |
| supports external ear and the epiglottis | connective tissue: elastic cartilage |
| provides tensile strength and absorbs compression shock | connective tissue: fibrocartilage cartilage |
| found in intervertebral discs, the pubic symphysis, and in discs of the knee joint | connective tissue: fibrocartilage cartilage |
| hard, calcified matrix with collagen fibers found in bone | connective tissue: bone |
| supports, protects, and provides levers for muscular action | connective tissue: bone |
| functions in the transport of respiratory gases, nutrients, and wastes | connective tissue: blood |
| transmits electrical signals from sensory receptors to effectors | nervous tissue |
| long, cylindrical, multinucleated cells with obvious triations | muscle tissue: skeletal |
| inititates and controls voluntary movement | muscle tissue: skeletal |
| found in skeletal muscles that attach to bones or skin | muscle tissue: skeletal |
| branching, striated, uninucleated cells interlocking at intercalated discs | muscle tissue: cardiac |
| propels blood into the circulation | muscle tissue: cardiac |
| found in the walls of the heart | muscle tissue: cardiac |
| sheets of spindle-shaped cells with central nuclei that have no striation | muscle tissue: smooth |
| propels substances along internal passageways | muscle tissue: smooth |
| found in walls of hollow organs | muscle tissue: smooth |
Created by:
evang
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