Integ and External Anatomy Biolab

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annalyze
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228941
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Integ and External Anatomy Biolab
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2013-08-03 02:40:30
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Bio22 Lab 2nd Depex
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  1. Define integumentary system.
    It is the boundary between the interior of an animal and its physical environment.
  2. Give two functions of the integumentary system.
    • 1. protection
    • 2. permits exchanges between the external and internal environment

  3. Identify:
    (a) type of organism
    (b) integument
    (c) Give the 2 states of cytoplasm
    (d) Description
    • (a) amoeba
    • (b) lobopodia
    • (c) - endoplasm (fluid)
    •      - ectoplasm (gellated and comparatively static
    • (d) no definite shape


  4. Identify:
    (a) type of organism
    (b) integument
    (c) Structure of the integument
    • (a) Paramecium
    • (b) Plasmalemma with trichocysts
    • (c)
    •       trichocysts: protection
    •       cilia: locomotion
    •       pellicle: a thin skin or film such as an organic membrane or fluid (protection and shape)


  5. Identify:
    (a) type of organism
    (b) integument
    (c) Structure of the integument
    • (a) Sponge (grantia)
    • (b) pinacoderm, mesohyl, choanoderm
    • (c) pinacoderm: pinacocytes (epidermal cells)
    •      mesohyl: amoebocytes
    •      choanoderm: choanocytes (collared cells with single flagellum that beats to propel the exit of water; collar of the microvilli aids in the absorption of the nutrients

  6. Identify:
    (a) Type of organism
    (b) Integument
    (c) Structure of the integument
    (d) Additional information
    • (a) Hydra
    • (b) simple cuboidal epithelium with nematocysts
    • (c) nematocysts - contains poison that aims to stun and kill the prey
    •      cnidocytes - cells that contain nematocycts
    •       cnidocil - poison
    • (d) Hydra is a cnidarian and is a relative of a jellyfish


  7. Identify:
    (a) Type of organism
    (b) Integument
    (c) Structure of the integument
    (d) Additional information
    • (a) Dugesia, Turbellaria, Flatworm
    • (b) Simple cuboidal epithelium with rhabdites
    • (c) rhabdites: mucus production, allows movement
    • (d) dorsal side: non-ciliated, arched
    •      ventral side: ciliated


  8. Identify:
    (a) Type of organism
    (b) Integument
    (c) Function of the integument
    • (a) Fasciola
    • (b) Syncitial Tegument
    • (c) serves as a protection against host’s enzymes and immune system, serves as transport of nutrients, waste and gases, across the body wall, in tapeworms, diffuses nutrients from host




  9. Identify:
    (a) Type of organism
    (b) Integument
    (c) Composition of the integument
    (d) Layer that produces the outermost tegument
    • (a) Ascaris/Nematode
    • (b) Cuticle
    • (c) chitin, protein, lipids, and mucopolypaccharide
    • (d) hypodermis

  10. Identify:
    (a) Type of organism
    (b) Integument
    (c) Function of the integument
    (d) Layer that produces the outermost tegument
    • (a) earthworm
    • (b) non-chitinized cuticle
    • (c) serves as barrier, prevents desiccation, supports organisms from hydrostatic pressure
    • (d) hypodermis


  11. Identify:
    (a) Type of organism
    (b) Integument
    (c) Function of the integument
    (d) Composition of chitin
    (e) Layer that produces chitin
    • (a) arthropod; cockcroach
    • (b) chitinized cuticle and carapace
    • (c) protection, preventionof water loss, supportand bouyancy
    • (d) nitrogenous disaccharides
    • (e) hypodermis


  12. Identify:
    (a) Type of organism
    (b) Integument
    (c) Function of the integument
    (d) Composition of ossicles
    (e) additional information
    • (a) starfish (echinoderm)
    • (b) chitinized cuticle, epidermis, dermis with ossicles
    • (c) protection and locomotion 
    • (d) CaCO3, and chitin, high Magnesium Calcite
    • (e) Ossicles–small bones
    •      Spicules–a needlelike structure such as one of the mineral structures supporting the soft tissue of certain invertebrates
    •      Granules–a small quantity of a solid substance


  13. Identify:
    (a) Type of organism
    (b) Layers of epidermis
    (c) Layers of dermis
    (d) Unique Structures
    (e) Function
    • (a) frog
    • (b) Stratum Corneum: dead keratinocytes
    •      Stratum Germinativum: highly mitotic
    • (c) Stratum Spongiosum: contains the chromatophores
    •      Stratum Compactum
    • (d) poison gland, mucus gland, chromatophores
    • (e) serves as barrier, cutaneous respiration, helps with maintaining moisture
  14. Cells that surround the poison gland.
    Simple squamous
  15. Cells that surround the mucus gland
    Simple Cuboidal

  16. (a) source organ
    (b) identify no. 1 and give its function
    (c) identify no. 2 and give its function
    (d) identify no. 3 and give its function
    (e) what layer is no. 4?
    • (a) human scalp
    • (b) sweat gland: regulates body temperature
    • (c) sebaceous gland: secrete sebum
    • (d) arrector pili muscle: goose bump
    • (e) dermis

  17. (a) what is number 1?
    (b) Function/description of 1?
    (c) what is number 3?
    (d) Function/description of 3?
    • (a) External nares
    • (b) paired openings found at the tip of the head
    • (c) Browspot
    • (d) Light colored spot located slightly in front of the eyes and also known as rudimentary third eye


  18. (a) what is number 2?
    (b) what is number 5?
    (c) Function/description of 2?
    (d) what is number 6?
    (e) Function/description of 6?
    (f) what is number 4?
    (g) what is number 13?
    • (a) Eye
    • (b) Nictitating membrane
    • (c) Protects the eye when it is underwater and moisturizes the eyes when it is on land
    • (d) Tympanum
    • (e) acts as an eardrum and is located behind and below the eye
    • (f) Head
    • (g) trunk

  19. (a) what is number 10?
    (b) what is number 11?
    (c) what is number 9?
    (d) what is number 7?
    (e) what is number 8?
    • (a) brachium
    • (b) antebrachium
    • (c) manus
    • (d) digits
    • (e) forelimb

  20. (a) what is number 12?
    (b) what is number 14?
    (c) What is number 15?
    (d) description/function of number 15.
    • (a) dorsolateral dermal plica / lateral fold
    • (b) thigh
    • (c) Anus
    • (d) opening of the rectum which serves as an outlet for feces

  21. (a) What is number 16?
    (b) what is number 17?
    (c) what is number 18?
    (d) what is number 19?
    • (a) crus / shank
    • (b) hindlimb
    • (c) digits
    • (d) pes / foot


  22. Label 1 -10
    • 1. Lateral fold
    • 2. Cloacal Opening
    • 3. External nares
    • 4. Eyes / nictitating membrane
    • 5. Tympanum
    • 6. Upper arm / brachium
    • 7. Forearm / antebrachium
    • 8. Thigh
    • 9. Foot / pes
    • 10. shank
  23. Paired openings close to the tip of the head (snout)leading to the olfactory organs within
    External nares
  24. Immovable, stout border of the eye
    Upper eyelid
  25. Movable translucent lower eyelid
    Nictitating membrane
  26. Tympanum
    Actsas the eardrum and is found lying below and behind the eye
  27. Hump
    Rounded protuberance found at the dorsal part which divide back into fore-and a hindpart
  28. Forelimb
    Attached to the narrower side of the forepart and is made up of 3 segments:upper arm/brachium, middle forearm/antebrachium, terminal hand or manus
  29. Hand/Manus
    Consist of shortwrist or carpus, a palm or matacarpus, and fingers or digits which are only 4
  30. Hindlimbs
    Attached to the narrow waistline and is madeup of 3 segments: an upper, stout thigh, a middle slender shank/crus, and a long foot/pes
  31. Foot
    Consist of a very long ankle/ tarsus, an instep/metatarsusand toes/digits which are 5 in number
  32. Vocal Sacs
    Use bymale frogs to advertise their presence. They are usually thrown into folds called vocal cords
  33. Cloaca & Cloacal Vent
    Chamber for solid collection while the vent serves as an outlet for feces, urine,eggs or sperm
  34. Browspot
    Lightcolored spot located slightly in front of the eye and is called rudimentary third eye
  35. Prehallux
    Rudimentof the sixth missingtoe
  36. Rectum & Anus
    Chamber for feces while anus is the posterior opening of a rectum
  37. Compare the male and female frog accdg to:
    (a) size
    (b) pigmentation
    (c) thumb
    (d) tympanum
    (e) vocal sacs
    • (a) male, smaller ; female, larger
    • (b) male, darker ; female, scattered pigmentation
    • (c) male, swollen ; female, not swollen
    • (d) male, smaller ; female, larger
    • (e) male, seen ; female, cannot be distinguished

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