Anatomy Final, II Avian

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HLW
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84016
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Anatomy Final, II Avian
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2011-05-05 17:10:05
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Anatomy
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Anatomy Final, II Avian
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  1. Characterization of lungs:
    small, non-expansible
  2. Role of larynx in sound production
    Modulates sound quality
  3. Appearance/location of infraorbital sinus (3)
    • Lateral to nasal cavity, Ventrolateral to eye
    • SQ
    • Soft
  4. Species differences seen in avian tracheal cartilages (3):
    • Complete rings
    • Overlap dorso & ventrolaterally
    • Diameter increases caudally
  5. What forms the basis of the syrinx?
    Pessulus
  6. What part of the syrinx forms the sound?
    Medial and Lateral Tympaniform Membranes
  7. Primary Bronchi include:
    • Intrapulmonary
    • Extrapulmonary
  8. Which of the Primary Bronchii gives rise to Secondary Bronchii?
    Intrapulmonary bronchii
  9. Secondary Bronchi include:
    • Paleopulmo:
    • Medioventral
    • Mediodorsal

    • Neopulmo:
    • Lateroventral
    • Laterodorsal
  10. Tertiary Bronchii=
    Parabronchii
  11. Appearance of parabrinchii (4):
    • Fine
    • Thick-Walled
    • Uniform
    • Freely anastomosing tubes
  12. Spherical/polygonal chambers arising from parabronchi
    Atria
  13. Spindle shaped structures that perforate and extend from the floor atria
    Infundibula
  14. Fine, terminal divisions of infundibula
    Air Capillaries
  15. ____ & ____ = gas exchange area, which is located....
    • Blood Capillaries & Air Capillaries
    • ...in the walls of parabronchii
  16. Five most important features of avian lung:
    • Very small
    • Non expansible
    • Use caution w/ inhalational anesthetics
    • Inspiration/Expiration simultaneously
    • No Terminal Blind Sacs
  17. Air Sacs (#):
    • Cervical (1 or 2)
    • Clavicular (1)
    • Cranial Thoracic (2)
    • Caudal Thoracic (2)
    • Abdominal (2)
  18. Cervial AS aerates:
    vertebral diverticulae
  19. Clavicular AS aerates:
    • Humerus
    • Pelvic Girdle & mm
  20. Abdominal AS aerates:
    • Kidney (Perirenal)
    • Synsacrum
    • Pelvis
    • Vertebrae
    • NO DIVERTICULAE TO LONG BONES OF LIMB
  21. Only the ___ repro organs develop
    LEFT
  22. What structure characterizes a mature follicle
    stigma
  23. Functions of air sacs (3):
    • Body Weight Reduction
    • Bellows during ventilation
    • Temp Regulation
  24. Five parts of oviduct (Cr-Ca)
    • Infundibulum
    • Magnum
    • Isthmus
    • Shell Gland/Uterus
    • Vagina
  25. Unique Term-
    Left Oviduct, Convoluted
  26. Infundibulum...
    Time:
    Primary Function
    Secretion:
    • Time: 15 mins
    • Primary Function: Engulfs Ovum
    • Secretion: Dense ALB
  27. Magnum...
    Time:
    Primary Function:
    Secretion:
    • Time: 3 hr
    • Primary Function:
    • Secretion: ALB (most)
  28. Isthmus:
    Time:
    Primary Function:
    Secretion:
    • Time: 75 mins
    • Primary Function: Shell Membranes
    • Secretion: 10% ALB
  29. Shell Gland/Uterus...
    Time:
    Primary Function:
    • Time: 20 Hr
    • Primary Function: Plumping, Calcareous Shell & Shell Cuticle
  30. Vagina...
    Time:
    Primary Function:
    Secretion:
    • Time: Few Seconds
    • Primary Function: Attract/Store Semen
    • Secretion: Tubular Glands in Sperm Host Fossulae only
  31. Location of the testes:
    Intra-abdominal
  32. The DD terminates in the ___, which opens into the urodeum through the ____
    • receptaculum of the DD
    • Papilla of the DD
  33. Components of the phallus (3):
    • Median Phallic Body
    • Lateral Phallic body
    • Lymphatic Folds
  34. Cr pole of the epididymis:
    Appendix Epididymis
  35. What is used to sex birds @ 1 day?
    Median Phallic Body
  36. Evertion of ventral lip of coaca @ copulation
    Tumescence
  37. Contact btw the everted M cloaca & that of the F
    Cloacal Kiss
  38. What part of the phallus adds fluid to semen?
    Lymphatic Folds
  39. Appearance of the avian kidneys (4):
    • Flattened
    • Elongated
    • Dark Brown
    • FRAGILE
  40. 3 DIVISIONS of avian kidneys
    • Cranial
    • Middle
    • Caudal
  41. What vv's enter the Renal Portal system?
    • Caudal Mesenteric
    • Internal Iliac
    • Ischiatic
  42. What V leaves the Renal Portal System?
    Caudal Vena Cava
  43. What is responsible for control of blood flow & diversion of blood to the caudal vena cava
    Renal Portal Valve
  44. LN are found in which types of bird?
    • Duck
    • Geese
  45. LN found in water birds:
    • Cervicothoracic
    • Lumbar
  46. Lymphoid Tissue found in all birds
    • Lymphatic Vessels
    • Thymus (young only)
    • Spleen
    • Cloacal Bursa
    • Mural LN
    • Solitary
    • Aggregated
  47. Where are mural LN found?
    Walls of lymph vessels
  48. Where are solitary LNs found?
    • CT of all organs
    • (appear invasive b/c non-encapsulated)
  49. What LN are found in ailimentary tract?
    • Aggregated LN
    • (Peyer's & Cecal Tonsils)
  50. What forms the lumbosacral enlargement
    Rhomboidal Sinus W/ a Gelatinous Glycogen Body
  51. Species differences seen in avian spinal cord (2):
    • Same length as neural canal
    • Nerves emerge laterally
  52. Very consipuous lobes seen within the brian
    Optic Lobes
  53. What would affect a bird prey's ability to discriminate btw objects?
    Removal of Forebrain
  54. What activities are dependent of cerebral cortex (5)?
    • Feeding/Drinking
    • Nesting/Nuture
    • Initiation of movements
    • Conditioned Reflexes
    • Autonomic Activities

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