Lab Exam 1

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Bekk
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38847
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Lab Exam 1
Updated:
2010-09-30 23:39:04
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tissue
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Bio 211 exam cards
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  1. STRATIFIED SQUAMOUS EPITHELIAL TISSUE
    • One layer
    • One free side
    • Basement membrane
    • Single nuclei
    • Substances pass easily through
    • Line air sacs of lung, blood vessels, lymphatic vessels
    • Reduce friction, absorption/secretion
  2. STRATIFIED SQUAMOUS EPITHELIAL TISSUE
    • Multi-layered
    • One Free Side
    • Basement membrane
    • Single Nuclei
    • Top cells are flat
    • Can accumulate keratin
    • Outer layer of skin
    • Line oral cavity, throat, vagina, and anal canal
  3. SIMPLE CUBOIDAL EPITHELIAL TISSUE
    • One layer
    • One free side "LUMEN"
    • Cube shaped
    • Line kidney tubules
    • Cover ovaries
    • Line ducts of some glands
    • Limited protection, secretion/absorption
  4. SIMPLE COLUMNAR EPITHELIAL TISSUE
    • Long/Column shaped
    • One layer
    • One free side
    • Basement membrane
    • Goblet cells(to produce mucus)
    • MICROVILLI
    • Line uterus, stomach, intestines
    • Protection, secretion, absorption
  5. PSEUDOSTRATIFIED COLUMNAR EPITHELIAL TISSUE
    • Looks multi-layered BUT only a single layer
    • One free side
    • Basement membrane
    • CILIA
    • Line respiratory passageways
    • Protection, secretion
  6. LOOSE AREOLAR CONNECTIVE TISSUE
    • Mainly fibroblasts inside matrix
    • Callagenous fibers
    • Elastic fibers
    • Fluid/Gel-like matrix
    • Bind skin to underlying structures
    • Beneath most epithelia
    • Between muscles
  7. DENSE CONNECTIVE TISSUE
    • Callagenous fibers THAT run the same direction(wavy)
    • Few fibroblasts
    • Few elastic fibers
    • Bind body parts together
    • Tendons, ligaments, dermis
    • Poor blood supply
  8. ADIPOSE TISSUE
    • Large "FATTY" cells
    • Nuclei pushed to edge
    • Adipocytes
    • Cushions
    • Insulates
    • Store fats
    • Produces hormones
    • Beneath skin
    • Behind eyes
    • Around kidneys and heart
  9. HYALINE CARTILAGE
    • Multiple chondrocytes in each lacuna
    • Most abundant
    • Closely packed collagen fibers
    • Ends of bones
    • Nose, respiratory passages
    • Embryonic skeleton
  10. FIBRO-CARTILAGE
    • Many LARGE collagenous fibers
    • Chondrocytes are tightly packed
    • Very tough
    • Shock absorber
    • Little ground substance
    • Intervertebral discs
    • Pads of knee and pelvic girdle
  11. ELASTIC CARTILAGE
    • Many ELASTIC fibers
    • Flexible
    • External ear (auricle, pinna), larynx
  12. BLOOD
    • Plasma
    • Erythrocytes 7.5micrometers
    • Leukocytes
    • Platlets
    • Transports nutrients
    • Defenses
    • Clotting
  13. BONE(OSTEON)
    • Osteocytes=cell(in lacuna)
    • Central Canal
    • Lamella=layers in the osteon
    • Canaliculi=minute tube in the extracellular matrix
    • Supports and protects
    • Forms blood cells
    • Attachment for muscles
    • Forms skeleton
  14. SKELETAL MUSCLE
    • Voluntary
    • Striated
    • NONbranched
    • Contractile
    • MULTI-NUCLEI
    • Attached to bone
    • Movement
    • Temperture control
  15. CARDIAC MUSCLE
    • Involuntary
    • Striated
    • Branched
    • Single nuclei
    • INTERCALATED DISKS
    • Heart wall(myocardium)
  16. SMOOTH MUSCLE
    • Involuntary
    • Single nuclei
    • NON branched
    • NON striated
    • Walls of organs and blood vessels
    • Skin
    • Look like "eyes"
  17. NERVE TISSUE (NEURON)
    • Nucleus
    • Cytoplasm
    • Cell membrane(star-like shape)
    • Cellular process(tail-like)
    • Surrounded by neuroglia cells
    • Found in brain, spinal cord, and peripheral nerves
    • Conduction of nerve impulses
    • Sensory reception
  18. SKIN
    • Epidermis(thin top layer)~~Protection
    • Dermis(thicker middle layer)~~Nourishment of epidermis
    • Subcutaneous(adipose and areolar tissue)~~Insulation
    • Hair follicles
    • Sebacoeus glands(oil)
    • Sweat glands
  19. PROPHASE
    • Centrioles replicate
    • Nuclear envolope and nucleolus disperse
    • Microtubules form spindle
  20. METAPHASE
    Chromosomes align in center
  21. ANAPHASE
    • Sister chromatids separate to opposite poles
    • Events start that lead to cytokinesis
  22. TELOPHASE
    • Cleavage appears
    • Nuclear envolopes begin to develop around each of the sister chromatids
    • Chromosomes decondense
    • Spindle disappears
  23. NUCLEOLUS
    • Inside nucleus
    • Small dense body composed of RNA and protein
    • Site of ribosome production
  24. NUCLEAR ENVELOPE
    • Surrounds nucleus
    • Keeps everything in it
  25. FLAGELLUM
    • Tail on sperm
    • Cell motion
  26. MICROTUBULES
    • Cylindrical structures
    • Some what rigid for cell structure
    • In cilia and flagella they provide movement
  27. BASAL BODY
    • Forms base of flagella and cilia
    • Contain microtubules
  28. CENTROSOME
    • In cytoplasm, near nucleus
    • Consists of 2 centrioles
    • Look like piles of logs
  29. MITOCHONDRION
    • Inner layer is folded(looks like a pill)
    • Long and fluid filled
    • Functions in energy production
  30. MICROVILLI
    Small finger-like projections
  31. GOLGI APPARATUS
    • Layers of flat sacs
    • Takes and processsecretory and synthetic products from endoplasmic reticulum
    • (bottom left side)
  32. LYSOSOMES
    • Membranous sacs
    • "Garbage disposal"
    • Contain enzymes that digest particles
    • Disolve cell after it dies
  33. CILIA
    • Hair-like
    • Cell movement
  34. SMOOTH ENDOPLASMIC RETICULUM
    • Membrane bound flattened sacs
    • Inter-connected
    • Contain enzymes that synthesize LIPIDS, absorb fats, breakdown drugs
  35. ROUGH ENDOPLASMIC RETICULUM
    • Membrane bound flattened sacs
    • Covered in RIBOSOMES
    • Texture appearence
    • Site of PROTEIN synthesis
  36. RIBOSOMES
    • Tiny spherical structures
    • Composed of PROTEIN and RNA
    • Structural support
    • Enzyme activity to link AMINO ACIDS to form PROTEINS
    • NO membrane
    • Scattered in cytoplasm
  37. CELL MEMBRANE
    • Phospholipids
    • Hydrophylic head
    • Hydrophobic tail
    • Cholesterol inside for stability
    • Glycolipids
    • Fibrous protein
    • Carbohydrates
    • Glycoprotein
    • Gated and Non-gated protein channels
    • Intergral and peripheral proteins
  38. CHROMATIN
    • In nucleus
    • Loosely coiled fibers
    • Composed of continuous DNA molecules wrapped around histones(like beads on a string)

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