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Frog dissecting

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This document provides an index and overview of the muscles, internal organs, and other structures that would be labeled and identified during a frog dissection. It includes sections on the frog's mouth, dorsal and ventral muscle groups, internal organs for both male and female frogs, and keys identifying each labeled structure. The purpose is to guide students through the process of dissecting and labeling a frog specimen.

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Frog Dissection Fall 2000 Jenna Hellack
Dissection index Index to Frog Dissection • Index to Frog muscles dissection • Frog mouth • Frog internals – Internals 1 – Internals 2 – Male – female Jenna Hellack Fall 2000
Dissection index Frog muscles •Ventral view • Dorsal view –Full view – Full view –Upper body – Shoulder and head area –Back legs- medial view • Shoulder lateral •Superficial muscles • Shoulder dorsal •Dissection 1 •Dissection 2 (deep muscles) – Anterior dorsal view • Upper body – Back legs •Key to all muscles • Lateral muscles Jenna Hellack Fall 2000
Muscle index Dissection index Frog Dorsal view Jenna Hellack Fall 2000
Muscle index Dissection index Frog shoulder lateral view Muscles contrasted 6 10 Tympanic 5 membrane 4 4. Masseter Mouse click once for key 5. Depressor mandibularis 6. Dorsalis scapulae 10. Latissimus dorsi Jenna Hellack Fall 2000
Muscle index Dissection index Frog shoulder dorsal view Muscles contrasted 6 5 10 2 4 7 2. Pterygoideus 4. Masseter Mouse click once for key5. Depressor mandibularis 6. Dorsalis scapulae 7. Deltoid Jenna Hellack Fall 2000 10. Latissimus dorsi
Muscle index Dissection index Anterior Dorsal view Muscles contrasted Mouse click once for key 2. Pterygoideus 3. Temporal 4. Masseter 5. Depressor mandibularis 6. Dorsalis scapulae 10. Latissimus dorsi 11. Longissimus dorsi 2 14. External oblique Jenna Hellack Fall 2000
Muscle index Dissection index Legs lateral muscles Muscles contrasted Mouse click once for key 17. Gluteus 18. Piriformis 20. Triceps femoris 25. Gracilis minor 26. Gastrocnemius 27. Tendon of Achilles 28. Semimembranous 29. Biceps femoris Jenna Hellack Fall 2000
Muscle index Dissection index Ventral muscles Contrasted muscles Mouse click once for key 7. Deltoid 9. Pectoralis 13. Linea alba 20. Triceps femoris 21. Adductor magnus 22. Sartorius 24. Gracilis major 25. Gracilis minor 26. Gastrocnemius 27. Tendon of Achilles 30. Mylohoid Jenna Hellack Fall 2000
Muscle index Dissection index Frog ventral anterior muscles Muscles contrasted Mouse click once for key 7. Deltoid • Pectoralis 12. Rectus abdominis 13. Linea alba 14. External oblique Jenna Hellack Fall 2000
Muscle index Dissection index Frog medial leg Muscles contrasted Mouse click once for key 20. Triceps femoris 21. Adductor magnus 22. Sartorius 24. Gracilis major 26. Gastrocnemius Jenna Hellack Fall 2000
Muscle index Dissection index Legs medial muscles Mouse click once for key 19. Adductor longus 20. Triceps femoris 21. Adductor magnus 22. Sartorius 23. Not shown here 24. Gracilis major 25. Gracilis minor 26. Gastrocnemius 27. Tendon Achilles Jenna Hellack Fall 2000
Muscle index Dissection index Medial leg muscles (deep) Mouse click once for key Sartorius (cut) Adductor longus (cut) Triceps femoris Adductor magnus Gracilis major Gracilis minor Semitendinosus (double belly) 12. Rectus abdominis23. Semitendinosus • External oblique24. Gracilis major 19. Adductor longus26. Gastrocnemius 20. Triceps femoris 28. Semimebranosus 21. Adductor magnus 22. Sartorius Jenna Hellack Fall 2000
Muscle index Dissection index Key to Frog muscles 1. Mylohyoid 16.---- 2. Pterygoideus 17. Gluteus 3. Temporal 18. Piriformis 4. Masseter 19. Adductor longus 5. Depressor mandibularis 20. Triceps femoris 6. Dorsalis scapulae 21. Adductor magnus 7. Deltoid 22. Sartorius 8. Triceps brachii 23. Semitendinosus 9. Pectoralis 24. Gracilis major 10. Latissimus dorsi 25. Gracilis minor 11. Longissimus dorsi 26. Gastrocnemius 12. Rectus abdominis 27. Tendon Achilles 13. Linea alba 28. Semimembranous 15. Cutaneous abdominis 29. Biceps femoris Jenna Hellack Fall 2000
Dissection index Frog mouth Mouse click one time for answers 30. Maxillary teeth 31. Vomerine teeth 33. Eustachian tubes 34. Tongue 35. Glottis 36. Esophagus Jenna Hellack Fall 2000
Dissection index Frog internals 1 One mouse click for answers 38. Ventricle 39. Auricle (atrium) 40. Conus arteriosus 41. Aortic arches 43. Liver 51. Fat bodies 52. Urinary bladder Jenna Hellack Fall 2000
Dissection index Frog internals 2 Mouse click once for answers 40 38. Auricle (atrium) 38 39. Ventricle 40. Conus arteriosus 42. Lung 43. Liver 44. Gall bladder 46. Small intestine 42 43 47. Large intestine 39 49. Spleen 44 50. Kidney 51. Fat bodies 52. Urinary bladder 56 55. Adrenal gland 56. testis 55 50 46 52 51 49 47 Jenna Hellack Fall 2000
Dissection index Frog internals- male 45 45 48 48 49 45. Stomach 49 46. Small intestine 47. Large intestine 56 48. Pancreas 46 56 46 49. Spleen 50. Kidney 55 55 55. Adrenal 50 56. Testis 50 47 57. Vestigial oviducts 47 57 57 Jenna Hellack Fall 2000
Dissection index Frog internals- female Mouse click one time for answers 45. Stomach 46. Small intestine 47. Large intestine 48. Pancreas 49. Spleen 51. Fat bodies 52. Urinary bladder 58. Ovary 59. Oviduct Last slide Jenna Hellack Fall 2000

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Frog dissecting

  • 2. Dissection index Index to Frog Dissection • Index to Frog muscles dissection • Frog mouth • Frog internals – Internals 1 – Internals 2 – Male – female Jenna Hellack Fall 2000
  • 3. Dissection index Frog muscles •Ventral view • Dorsal view –Full view – Full view –Upper body – Shoulder and head area –Back legs- medial view • Shoulder lateral •Superficial muscles • Shoulder dorsal •Dissection 1 •Dissection 2 (deep muscles) – Anterior dorsal view • Upper body – Back legs •Key to all muscles • Lateral muscles Jenna Hellack Fall 2000
  • 4. Muscle index Dissection index Frog Dorsal view Jenna Hellack Fall 2000
  • 5. Muscle index Dissection index Frog shoulder lateral view Muscles contrasted 6 10 Tympanic 5 membrane 4 4. Masseter Mouse click once for key 5. Depressor mandibularis 6. Dorsalis scapulae 10. Latissimus dorsi Jenna Hellack Fall 2000
  • 6. Muscle index Dissection index Frog shoulder dorsal view Muscles contrasted 6 5 10 2 4 7 2. Pterygoideus 4. Masseter Mouse click once for key5. Depressor mandibularis 6. Dorsalis scapulae 7. Deltoid Jenna Hellack Fall 2000 10. Latissimus dorsi
  • 7. Muscle index Dissection index Anterior Dorsal view Muscles contrasted Mouse click once for key 2. Pterygoideus 3. Temporal 4. Masseter 5. Depressor mandibularis 6. Dorsalis scapulae 10. Latissimus dorsi 11. Longissimus dorsi 2 14. External oblique Jenna Hellack Fall 2000
  • 8. Muscle index Dissection index Legs lateral muscles Muscles contrasted Mouse click once for key 17. Gluteus 18. Piriformis 20. Triceps femoris 25. Gracilis minor 26. Gastrocnemius 27. Tendon of Achilles 28. Semimembranous 29. Biceps femoris Jenna Hellack Fall 2000
  • 9. Muscle index Dissection index Ventral muscles Contrasted muscles Mouse click once for key 7. Deltoid 9. Pectoralis 13. Linea alba 20. Triceps femoris 21. Adductor magnus 22. Sartorius 24. Gracilis major 25. Gracilis minor 26. Gastrocnemius 27. Tendon of Achilles 30. Mylohoid Jenna Hellack Fall 2000
  • 10. Muscle index Dissection index Frog ventral anterior muscles Muscles contrasted Mouse click once for key 7. Deltoid • Pectoralis 12. Rectus abdominis 13. Linea alba 14. External oblique Jenna Hellack Fall 2000
  • 11. Muscle index Dissection index Frog medial leg Muscles contrasted Mouse click once for key 20. Triceps femoris 21. Adductor magnus 22. Sartorius 24. Gracilis major 26. Gastrocnemius Jenna Hellack Fall 2000
  • 12. Muscle index Dissection index Legs medial muscles Mouse click once for key 19. Adductor longus 20. Triceps femoris 21. Adductor magnus 22. Sartorius 23. Not shown here 24. Gracilis major 25. Gracilis minor 26. Gastrocnemius 27. Tendon Achilles Jenna Hellack Fall 2000
  • 13. Muscle index Dissection index Medial leg muscles (deep) Mouse click once for key Sartorius (cut) Adductor longus (cut) Triceps femoris Adductor magnus Gracilis major Gracilis minor Semitendinosus (double belly) 12. Rectus abdominis23. Semitendinosus • External oblique24. Gracilis major 19. Adductor longus26. Gastrocnemius 20. Triceps femoris 28. Semimebranosus 21. Adductor magnus 22. Sartorius Jenna Hellack Fall 2000
  • 14. Muscle index Dissection index Key to Frog muscles 1. Mylohyoid 16.---- 2. Pterygoideus 17. Gluteus 3. Temporal 18. Piriformis 4. Masseter 19. Adductor longus 5. Depressor mandibularis 20. Triceps femoris 6. Dorsalis scapulae 21. Adductor magnus 7. Deltoid 22. Sartorius 8. Triceps brachii 23. Semitendinosus 9. Pectoralis 24. Gracilis major 10. Latissimus dorsi 25. Gracilis minor 11. Longissimus dorsi 26. Gastrocnemius 12. Rectus abdominis 27. Tendon Achilles 13. Linea alba 28. Semimembranous 15. Cutaneous abdominis 29. Biceps femoris Jenna Hellack Fall 2000
  • 15. Dissection index Frog mouth Mouse click one time for answers 30. Maxillary teeth 31. Vomerine teeth 33. Eustachian tubes 34. Tongue 35. Glottis 36. Esophagus Jenna Hellack Fall 2000
  • 16. Dissection index Frog internals 1 One mouse click for answers 38. Ventricle 39. Auricle (atrium) 40. Conus arteriosus 41. Aortic arches 43. Liver 51. Fat bodies 52. Urinary bladder Jenna Hellack Fall 2000
  • 17. Dissection index Frog internals 2 Mouse click once for answers 40 38. Auricle (atrium) 38 39. Ventricle 40. Conus arteriosus 42. Lung 43. Liver 44. Gall bladder 46. Small intestine 42 43 47. Large intestine 39 49. Spleen 44 50. Kidney 51. Fat bodies 52. Urinary bladder 56 55. Adrenal gland 56. testis 55 50 46 52 51 49 47 Jenna Hellack Fall 2000
  • 18. Dissection index Frog internals- male 45 45 48 48 49 45. Stomach 49 46. Small intestine 47. Large intestine 56 48. Pancreas 46 56 46 49. Spleen 50. Kidney 55 55 55. Adrenal 50 56. Testis 50 47 57. Vestigial oviducts 47 57 57 Jenna Hellack Fall 2000
  • 19. Dissection index Frog internals- female Mouse click one time for answers 45. Stomach 46. Small intestine 47. Large intestine 48. Pancreas 49. Spleen 51. Fat bodies 52. Urinary bladder 58. Ovary 59. Oviduct Last slide Jenna Hellack Fall 2000