Anatomy E4, V Ruminant Neck

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HLW
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76558
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Anatomy E4, V Ruminant Neck
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2011-04-02 13:45:59
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Anatomy
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Anatomy E4, V Ruminant Neck
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  1. Ligamentum Nuchae is divided into:
    • Cranial
    • Caudal
  2. Which part of the ligamentum nuchae is paired?
    Cranial
  3. The Cranial Ligament Nuchae extends from ___ to ____
    • Funicular part
    • C2 & C3
  4. The Caudal Ligament Nuchae extends from ___ to ____
    • T1
    • C4-C7
  5. The ox Lig. Nuchae compared to the equine's
    • Ox's slants ventrolaterally over the summits of spinous process
    • (reduce friction)
  6. What muscle forms the hump in bos indicus?
    M. Rhomboideus Cervicis
  7. The Brachiocephalicus =>
    • Cleidobrachialis
    • Cleidocephalicus => Cleidooccipitalis & Cleidomastoideus
  8. Species Variations of the Cleidomastoideus (1):
    Sheep: Tendon of insertion fuses with the sternocephalicus
  9. Which neck muscle is not an extrinsic m of the forelimb?
    Sternocephalicus
  10. Species variations of the sternocephalicus have two divisions (3)?
    • Ox: 2 divisions
    • Goat: 2 divisions
    • Carnivores: 2 divisions
  11. In the ox and goat, the sternocephalicus => ___ & ___
    • Sternomastoideus
    • Sternomandibularis
  12. The thyroid gland is _____, forming two parts:
    • Bilobed
    • Isthmus
    • Body
  13. The thyroid in the Ox:
    • Isthmus: Glandular
    • Body: Lobulated and flattened
  14. The thyroid in small ruminants:
    • Isthmus: Glandular
    • Body: Oval
  15. Contents of the carotid sheath in ruminants:
    • Internal Jugular
    • Vagosympathetic
    • Common Carotid
  16. Borders of the jugular vein in ox/goat
    Dorsal:
    Ventral:
    Cranial:

    Medial:
    • Dorsal: Cleidomastoideus
    • Ventral: Sternomandibularis
    • Cranial: Sternomastoideus
    • Medial: Sternomastoideus
  17. Borders of the Jugular Groove in the Sheep:
    Dorsal:
    Ventral:
    Cranial:
    Medial:
    • Dorsal: Cleidomastoideus
    • Ventral: Sternocephalicus
    • Cranial: NONE
    • Medial: NONE
  18. Which Cervical LN is palpable in all domestic Spp?
    Superficial Cervical LN
  19. Location of the Superficial Cervical LN
    Cranial to the shoulder joint, under the Brachiocephalicus and Omotransversarius
  20. Species Variations of the Subclavius m (3):
    • Carnivores: Absent
    • Ox: Vestigial
    • Goat: Well Developed
  21. The thymus grows in what direction?
    Cranio-Caudal
  22. Parts of the ruminant Thymus:
    • Cervical
    • Intermediate
    • Caudal
  23. Appearance of the mature ruminant's thymus (2):
    • Cervical Part: Full Regression
    • Caudal Part: Fibrotic
  24. Appearance of the young ruminant's thymus(3):
    • Large
    • Lobulated
    • Extends from laryxn to pericardium
  25. Which lnn's are divided into Cr, Middle and Ca Groups?
    Deep Cervical Ln
  26. Cr and Middle Deep Cervical LN Spp differences:
    • Small Ruminants: Absent
    • Pig: Absent
  27. Ca Deep Cervicale LN spp differences:
    Well Developed in all species, except DOGS
  28. Location of the....
    Cr Cervical LN:
    Middle Cervical LN:
    Ca Cervical LN:
    • Cr Cervical LN: Trachea
    • Middle Cervical LN: Craniodorsal to thyroid
    • Ca Cervical LN: Thoracic Inlet
  29. The esophagus is located on the ___ side
    Left
  30. Spp difference of esophagus in ruminants:
    Entirely lined w/ Striated M
  31. Locations of Esophageal flexions...
    • 1st: Btw head and neck
    • 2nd: Thoracic Inlet
    • 3rd: Base of the Heart
    • 4th: Hiatus
  32. Which Flexions are permanent?
    3 & 4
  33. Most common sites of esophageal obstructions in (most frequent - least)
    Ruminants:
    Dogs:
    • Ruminants: 1, 2 & 4
    • Dogs: 3 & 4

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