Great Horned Owl (Bubo virginianus)

CHAPTER 18 Great Horned Owl (Bubo virginianus)



image

Figure 18-1, A-B


Type of Bird: Great Horned Owl

Type of Study: Viscera of the coelom

Projection: Laterolateral (right lateral recumbency)

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Trachea

2. (Crop)

3. (Brachiocephalic artery and aorta)

4. Brachiocephalic artery

5. Aorta

6. Pulmonary artery

7. Pulmonary vein

8. Heart

9. Left atrium

10. Esophagus

11. Liver

12. Lung

13. (Syrinx)

14. (Gonad)

15. (Ovary)

16. (Testes)

17. Proventriculus

18. Ventriculus

19. Intestines

20. (Cloaca)

21. Cervical air sac

22. (Clavicular air sac)

23. (Thoracic air sac)

24. (Abdominal air sac)

25. (Apex of heart)

26. Interface between caudal thoracic and abdominal air sacs

27. Kidneys

28. Spleen

NOTE: Structures in parentheses are not labeled.


image

Figure 18-2, A-B


Type of Bird: Great Horned Owl

Type of Study: Viscera of the coelom

Projection: Ventrodorsal

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Trachea

2. (Cervical air sac)

3. (Crop)

4. Clavicular air sac

5. Brachiocephalic artery and aorta

6. Heart base vessel

7. Heart

8. Lung

9. Thoracic air sac

10. Liver

11. Kidneys

12. (Proventriculus)

13. Ventriculus

14. Intestines

15. Abdominal air sac

16. Cloaca

NOTE: Structures in parentheses are not labeled.


image

Figure 18-3, A-B


Type of Bird: Great Horned Owl

Type of Study: Head

Projection: Laterolateral (right lateral recumbency)

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Keratinized maxillary beak

2. Keratinized mandibular beak

3. Premaxillary bone

4. Mandible

5. (Hyoid bones)

6. (Palatine bone)

7. (Pterygoid bone)

8. External nares

9. (Jugal [zygomatic] bone)

10. Craniofacial flexion zone

11. Orbit

12. Frontal bone

13. Cranium

14. Temporal bone

15. (Quadrate bone)

16. Parietal bone

NOTE: Structures in parentheses are not labeled.


image

Figure 18-4, A-B


Type of Bird: Great Horned Owl

Type of Study: Head

Projection: Ventrodorsal

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Keratinized maxillary beak

2. Premaxillary bone

3. Mandible

4. Orbit

5. Jugal [zygomatic] bone

6. (Scleral ossicles)

7. Quadrate bone

8. Cranium

NOTE: Structures in parentheses are not labeled.


image

Figure 18-5, A-B


Type of Bird: Great Horned Owl

Type of Study: Whole body skeleton

Projection: Laterolateral (right lateral recumbency)

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Cervical vertebra

2. Clavicle

3. Humerus

4. Coracoid

5. Scapula

6. Rib

7. Uncinate process of rib

8. Thoracic vertebra

9. Synsacrum

10. Ilium

11. Head of femur

12. Ilioischiadiac foramen

13. Ischium

14. Pubis

15. Femur

16. Obturator foramen

17. Patella

18. Tibiotarsal bone

19. Fibula

20. Sternum

21. Caudal vertebrae

22. Pygostyle


image

Figure 18-6, A-B


Type of Bird: Great Horned Owl

Type of Study: Whole body skeleton

Projection: Ventrodorsal

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Cervical vertebra

2. Clavicle

3. (Humerus)

4. Coracoid

5. Scapula

6. Rib

7. (Uncinate process of rib)

8. Thoracic vertebra

9. Synsacrum

10. Ilium

11. Head of femur

12. Ilioischiadiac foramen

13. Ischium

14. Pubis

15. Femur

16. (Obturator foramen)

17. (Patella)

18. Tibiotarsal bone

19. Fibula

20. Sternum

21. Caudal vertebrae

22. Pygostyle

23. Apex carinae

24. Dorsal tubercle of humerus

25. Head of humerus

26. Ventral tubercle of humerus

27. Trochanter of femur

NOTE: Structures in parentheses are not labeled.


image

Figure 18-7, A-B


Type of Bird: Great Horned Owl

Type of Study: Wing

Projection: Mediolateral

Weight of Bird: 1.3 kg

Gender: Unknown

Reproductive Status: Intact

Age: Adult

1. Head of humerus

2. Dorsal tubercle of humerus

3. Dorsal condyle of humerus

4. Radius

5. Radial carpal bone

6. Alula

7. Major metacarpal bone

8. Phalanges of major digit

9. Ventral tubercle of humerus

10. Humerus

11. Ventral condyle of humerus

12. Ulna

13. Ulnar carpal bone

14. Minor metacarpal bone

15. Phalanges of minor digit

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May 27, 2016 | Posted by in ANIMAL RADIOLOGY | Comments Off on Great Horned Owl (Bubo virginianus)

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