Pictures of Superficial & Deep Fascia.ppt.pdf

PICTURES REPRESENTATION

1. G15: Overview of the Neck
GL15:
A - Bone Lab (Skulls) HSEB 4300
B - Posterior Triangle (Cadaver)

2. UNIT 02: LECTURE EXAM

3. UNIT 02: LAB EXAM

4. G15: Overview of the Neck
David A. Morton, Ph.D.
Pg 3

5. Skin
Pgs 3 & 4

6. Superficial
cervical fascia
Platysma m.Pgs 3 & 4

7. Superficial
cervical fascia
Platysma m.

8. Deep fascia

9. Investing fascia

10. Investing fascia

11. Pretracheal
fascia

12. Pretracheal
fascia
Infrahyoid mm.

13. Pretracheal
fascia
Thyroid gland

14. Pretracheal
fascia

15. Trachea
EsophagusPretracheal
fascia
Buccopharyngeal
fascia

16. Prevertebral
fascia

17. Prevertebral
fascia
Deep cervical
mm.

18. Levator
scapulae m.
Prevertebral
fascia

19. Ant scalene
Middle scalene
Posterior scalenePrevertebral
fascia

20. Longus coli m.
Prevertebral
fascia

21. Alar fascia
Prevertebral
fascia

22. Prevertebral
fascia
Space
Sympathetic
trunk

23. IJV
Carotid a.
Vagus n.
Carotid sheath

24. IJV
Carotid a.
Vagus n.
Carotid sheath

25. Retropharyngeal
space

26. Cervical Plexus
• Ventral rami of C1-C4 (C5)
• Drawing the plexus (“9x2’s”)
– 2 up
– 2 across
– 2 X
– 2 down
- 2 down
- 2 loop
- 2 ends (out)
- 2 ends (in)
- 2 on top
Don’t forget the phrenic n. (C3, C4 and C5 keep the
diaphragm alive)
Pgs 5 & 6

28. Vessels of the Head and Neck
• Artery - Carotids
–Neck and Face: External carotid artery (ECA)
–Brain: Internal carotid artery (ICA)
• Veins - Jugulars
– Internal jugular vein (IJV)
Pgs 7 & 8

29. R: Brachiocephalic trunk
L: Left subclavian a.
Pgs 7 & 8

30. Common carotid a.

31. Internal carotid a.
Carotid sinus
Carotid body

32. External carotid a.

33. External carotid a.
Superior thyroid

34. External carotid a.
Asc. pharyngeal

35. External carotid a.
Lingual

36. External carotid a.
Facial

37. External carotid a.
Occipital

38. External carotid a.
Post. auricular

39. External carotid a.
Maxillary
Superfic temporal

40. Internal jugular v.
Pgs 7 & 8

41. External jugular v.

42. Retromandibular v.

43. Retromandibular v.

44. Facial v.

45. Neck muscles
Pgs 9 & 10

46. SCM m.

47. Suprahyoid mm.

48. Digastric m.

49. Stylohyoid m.

50. Mylohyoid m.

51. Infrahyoid m.

52. Longus coli/cap.

53. Scalenes

54. Trace a sensory neuron from the
dorsal root to the C3 dermatome
C1, C2, C3, C4, C5
Spinal nerve
Dorsal root/ramus
Ventral root/ramus
Ansa cervicalis (sup/inf)
Carotid sheath Deep investing fascia
Pretracheal fascia
Prevertebral fascia
Superficial fascia
Anterior scalene muscle
Middle scalene muscle
Posterior scalene muscle
Platysma m.
Sternocleidomastoid m.
C2
C3

55. • Dorsal root
• C3 spinal n.
• C3 ventral ramus
• Enters the gr auricular n. &
trans cervical n. and
supraclaviclar n.
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Post SCM m.
• Pierces deep investing fascia
• Pierces platysma m. in
superficial fascia
• Distributes to various regions of
C3 dermatome

56. • Dorsal root
• C3 spinal n.
• C3 ventral ramus
• Enters the gr auricular n. &
trans cervical n. and
supraclaviclar n.
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Post SCM m.
• Pierces deep investing fascia
• Pierces platysma m. in
superficial fascia
• Distributes to various regions of
C3 dermatome

57. • Dorsal root
• C3 spinal n.
• C3 ventral ramus
• Enters the gr auricular n. &
trans cervical n. and
supraclaviclar n.
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Post SCM m.
• Pierces deep investing fascia
• Pierces platysma m. in
superficial fascia
• Distributes to various regions of
C3 dermatome

58. • Dorsal root
• C3 spinal n.
• C3 ventral ramus
• Enters the gr auricular n. &
trans cervical n. and
supraclaviclar n.
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Post SCM m.
• Pierces deep investing fascia
• Pierces platysma m. in
superficial fascia
• Distributes to various regions of
C3 dermatome

59. • Dorsal root
• C3 spinal n.
• C3 ventral ramus
• Enters the gr auricular n. &
trans cervical n. and
supraclaviclar n.
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Post SCM m.
• Pierces deep investing fascia
• Pierces platysma m. in
superficial fascia
• Distributes to various regions of
C3 dermatome

60. Trace a C3 motor neuron to the
sternothyroid muscle
C1, C2, C3, C4, C5
Spinal nerve
Dorsal root/ramus
Ventral root/ramus
Ansa cervicalis (sup/inf)
Carotid sheath Deep investing fascia
Pretracheal fascia
Prevertebral fascia
Superficial fascia
Anterior scalene muscle
Middle scalene muscle
Posterior scalene muscle
Platysma m.
Sternocleidomastoid m.

61. • Ventral root
• C3 spinal n.
• C3 ventral ramus
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Enter carotid sheath plane
• Ans cervicalis (inf limb)
• Pierces Pretracheal fascia of
sternothryoid m.
• Innervates sternothyroid m.

62. • Ventral root
• C3 spinal n.
• C3 ventral ramus
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Enter carotid sheath plane
• Ans cervicalis (inf limb)
• Pierces Pretracheal fascia of
sternothryoid m.
• Innervates sternothyroid m.

63. • Ventral root
• C3 spinal n.
• C3 ventral ramus
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Enter carotid sheath plane
• Ans cervicalis (inf limb)
• Pierces Pretracheal fascia of
sternothryoid m.
• Innervates sternothyroid m.

64. • Ventral root
• C3 spinal n.
• C3 ventral ramus
• Exits between Ant and Mid
Scalene m.
• Pierces prevertebral fascia
• Enter carotid sheath plane
• Ans cervicalis (inf limb)
• Pierces Pretracheal fascia of
sternothryoid m.
• Innervates sternothyroid m.

65. THANK-YOU