embryology chapter 4

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Author:
sthomp88
ID:
35636
Filename:
embryology chapter 4
Updated:
2010-12-06 01:51:01
Tags:
external primitive structures what they give rise
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processes 1
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  1. frontonasal process
    • upper face
    • forehead
    • bridge of nose
    • nasal septum
  2. frontonasal process: medial nasal processess
    • middle portion of the nose
    • intermaxillary segment:
    • maxillary incisors
    • primary palate
  3. frontonasal process: lateral nasal processes
    ala of the nose
  4. maxillary process
    • midface
    • sides of the upper lip
    • cheeks
    • secondary palate
    • posterior portion of maxilla with teeth
    • maxillary canines
    • zygomatic bone
    • portions of temporal bone
  5. mandibular arch (first branchial arch)
    • lower face
    • lower lip
    • mandible with teeth
    • trigeminal nerve (V)
    • muscles of mastication
  6. mandibular arch: Meckel's cartilage
    malleus and incus (middle ear bones)
  7. mandibular arch: perichondrium around meckel's cartilage
    temporomandibular ligament
  8. Branchial groove
    eardrum
  9. hyoid arch (second branchial arch)
    • muscles of facial expression
    • suprahyoid muscle
    • facial nerve (VII)
  10. hyoid arch: reichert's cartilage
    • stapes (middle ear bone)
    • syloid process
    • upper portion of hyoied bone
  11. hyoid arch: perichondrium of reichert's cartilage
    ligaments of hyoid bone
  12. thirch branchial arch
    pharyngeal muscle
  13. third branchial arch: unnamed cartilage
    lower portion of hyoid bone
  14. fourth/sixth branchial arch
    muscles of larynx and pharynx
  15. first pharyngeal pouch
    auditory tubes
  16. second pharyngeal pouch
    palatine tonsils
  17. third/fourth pharyngeal pouch
    • parathyroid gland
    • thymus gland

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