Cervical Gross Anatomy and Head Anatomy 1

Card Set Information

Author:
Palmer2012
ID:
192006
Filename:
Cervical Gross Anatomy and Head Anatomy 1
Updated:
2013-01-30 11:57:46
Tags:
Fascia muscles triangles neck
Folders:

Description:
Cervical Gross Anatomy and Head Anatomy, fascia , muscles and triangles of neck
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user Palmer2012 on FreezingBlue Flashcards. What would you like to do?


  1. Fascia
    • fibrous, connective tissue
    • superficial, deep, visceral
  2. Superficial Cervical Fascia
    • internal surface of skin around neck 
    • less distinctive layer; stratum layer; stratum between dermis & deep cervical fascia

    • outside layer
  3. Superficial layer of deep cervical Fascia
    • deep to superficial fascia
    • encircles whole cervical region 
    • invests SCM and trapezius
    • attaches to cervical spines, EOP, mandible, mastoid process, hyoid bone, manubrium of sternum and scapula 
    •  
    • outer red border
  4. Pretracheal layer of deep cervical fascia
    • 2 layers
    • -muscular layer 
    •   -superficial layer
    •   - deep layer 
    • -visceral layer 
    •  
    • visceral layer 
    • muscular layer
  5. Muscular layer (pretracheal layer)
    • aka infrahyoid layer 
    • -superficial layer - invests sternohyoid & omohyoid mm
    • -deep layer - invests 
    • purple layer at top just inside superficial layer of deep cervical Fascia
  6. Visceral Layer ( of pretrachial layer)
    • - invests thyroid gland, larynx, pharynx, trachea, esophagus 
    • -continuous with buccopharyngeal fascia & carotid sheath
    • Blue layer surrounds esophagus and trachea
  7. Buccopharyngeal fascia
    • invests buccinator m & dorsal esophagus
    • green between vertebrae and esophagus 
  8. Carotid Sheath
    • formed by communion of three fascial layers 
    •    - investing, pretrachial, prevertebral 
    • internal & common carotid arteries, internal jugular viens, vagus n.
    • - NO external jugular vein, external carotid artery

    • Where pretracheal, pretervebral and investings meet
  9. Prevertebral Fascia
    • -invests vertebral column & muscles
    • -3 parts : Anterior, posterior , axillary sheath 
    • Large circle on bottom encircles vertebrae  
  10. Anterior (alar)  
    (Prevertebral Fascia)
    • -smaller of the 2 fascial planes
    • -invests prevertebral mm
    • -bifurcates to form alar fascia
    • small area between esophagus and vertebrae 
  11. posterior 
    (prevertebral fascia)
    • -larger of the 2 planes
    • -invests deep cervical mm
    • larger bottom part of lower circle
  12. Retropharyngeal space
    • -largest of cervical spaces
    • -allow free movement when swallowing
    • 2 parts
    •   - anterior 
    •   - posterior
    •  space between buccopharyngeal & alar fascia
    •  as well alar and posterior prevertebral fascia
  13. Anterior Retropharyngeal space
    between buccopharyngeal & alar fascia

    -extends to C7
  14. Posterior Retropharyngeal
    • alar and posterior prevertebral fascia
    • NO midline raphe 
    • "danger space"
  15. pretracheal space 
    posterior to infrahyoid mm, surrounding trachea, anterior to esophagus, descends to superior mediatinum
  16. Prevertebral Space
    potential space between prevertebral fascia & vertebral bodies

    discs susceptible to infection
  17. superficial to Deep Fascia
    • superficial cervical fascia (tela subcutanea)
    • deep cervical fascia ( superficial layer)
    • Pretracheal layer 
    •        deep cervical fascia (Muscular/infrahyoid)
    •        Visceral fascia ( Visceral layer)
    • Carotid Sheath -investing/ deep , pretracheal,                  prevertebral( visceral)
    • Deep cervical fascia ( prevertebral layer)
  18. Platysma
    • O: Fascia of pectoralis major & deltoid
    • I: mandible
    • A: depresses mandible & angle of mouth
    • Inn: CN VII
  19. Trapezius
    • O: EOP, ligamentum nuchae, & SP's of C7-T12
    • I: lateral 1/3 clavicle, spine of scapula, acromion proscess
    • A: elevates, retracts, depresses scapula
    • INN: CNXI, C3/C4 from cervical plexus
  20. Sternocleidomastoid
    • O: manubrium (sternal head)
    •      clavicle (clavicular head)
    • I: mastoid process
    • A: main flexor of head
    • Inn: CNXI
  21. Infrahyoid muscle group
    • Sternohyoid
    • sternothyroid
    • thyrohyoid
    • omohyoid

    • depress hyoid and/or larynx
    • innervation by cervical plexus
  22. Sternohyoid
    • O: manubrium, medial clavicle
    • I: body of hyoid bone
    • A: depresses hyoid bone & larynx
    • INN: C1-C3 via ansa cervicalis
  23. Omohyoid
    • O: inferior belly: scapula
    •     superior belly: intermediate tendon
    • I: inferior belly: intermediate tendon
    •     superior belly: hyoid
    • A: depresses hyoid bone & larynx 
    • Inn: C1-C3 via ansa cervicalis
  24. Thyrohyoid
    • O: thyroid cartilage 
    • I: body of hyoid bone
    • A: depresses hyoid bone
    • Inn: C1 via hypoglossal nerve (C1 & C2)
  25. Suprahyoid Muscle group 
    • Digastric
    • Stylohyoid
    • Mylohyoid
    • Geniohyoid

    -elevate hyoid
  26. Digastric
    • O: Posterior belly- mastoid process
    •     Anterior belly - digastric fossa of mandible
    • I:intermediate tendon of the digastric
    • A: elevate hyoid bone or depress mandible when hyoid is fixed
    • Inn: Posterior belly - CNVII
    •        Anterior Belly - CNV
  27. Stylohyoid
    • O: styloid process
    • I: hyoid bone
    • A: elevates hyoid bone & tongue
    • Inn: CNVII
  28. Mylohyoid
    • O: mylohyoid line of mandible
    • I: body of hyoid bone & median raphe
    • A: elevates hyoid & floor of mouth
    • Inn: CN V ( n. to Mylohyoid)
  29. Cricothyroid
    • O: anterolateral cricoid cartilage 
    • I: inferior thyroid cartilage
    • A: tenses & elongates vocal cords
    • INN: external laryngeal banch of vagus n. 

    Neither infrahyoid or suprahyoid
  30. Geniohyoid
    • O: inferior genial tubercle
    • I: body of hyoid bone
    • A: elevate hyoid bone & tongue
    • Inn: C1 via hypoglossal n.

  31. Triangles 
    • Anterior triangle
    • Digastric triangle
    • Submental triangle
    • Carotid Triangle
    • Muscular triange
    • Posterior Triangle
    • Occipital triangle 
    • Omoclavicular/ subclavian triangle 
  32. Anterior Triangle
    • Anterior- Midline; line from symphysis menti to sternal notch divides L&R
    • Posterior- Posterior border of SCM
    • Superior - inferior margin of mandible 

    divides into 4 triangles by digastric and omohyoid
  33. Digastric triangle (submandibular)
    • Superior: inferior margin of mandible
    • Anterior: anterior belly of digastric
    • Posterior: posterior belly of digastric
  34. Submental triangle (suprahyoid)
    • Lateral: 2 opposing anterior bellies of digastric muscles
    • Caudal/ posterior: body of hyoid
    • Medial: midline of neck
  35. Carotid triangle
    • Superior: posterior belly of digastric & stylohyoid
    • Ant: superior belly of omohyoid
    • Post: SCM
  36. Muscular triangle
    • Sup./Post: superior belly of omohyoid
    • Inf/Post: SCM
    • Ant: midline
  37. Posterior Triangle
    • Ant: SCM
    • Post: Trapezius
    • Caudally: clavicle
  38. Occipital triangle
    boundaries: Trapezius, SCM, & inferior belly of omohyoid
  39. Omoclavicular/subclavian triangle
    Bounded by: SCM, inferior belly of omohyoid, & clavicle 
  40. Longus Colli
    (Superior obliques)
    • O: TP of C3-5
    • I: anterior arch of atlas
    • Flexion of head and neck
  41. Longus Colli
    (inferior Oblique)
    • O: anterior vertebral bodies of T1-3
    • I: TPs of C5&6
    • Flexion of head and neck
  42. Longus Colli
    (vertical)
    • O: anterior vertebral bodies of C5-T3
    • I: anterior vertebral bodies of C2-C4
    • Flexion of head and neck
  43. Longus Capitus
    • O: anterior TPs of C3-6
    • I: basilar part of occipital bone
    • A: flex the head & neck, ipsilateral rotation
  44. Scalene muscles
    • Anterior, middle, & posterior
    • O: TPs of C2-C7
    • I: 1st and 2nd ribs
    • A: elevation of ribs, flexion of head & neck

What would you like to do?

Home > Flashcards > Print Preview