Development of Face, Palate ,Tongue, Pharyngeal arches and Thyroid- Important Questions

Q1. Enumerate the:

  •  Skeletal and muscular derivatives of 1st pharyngeal/branchial arch.
  •  Skeletal and muscular derivatives of 2nd pharyngeal/branchial arch.
  •  Skeletal and muscular derivatives of 3rd pharyngeal/branchial arch.
  •  Skeletal and muscular derivatives of 4th pharyngeal/branchial arch.
  •  Skeletal and muscular derivatives of 6th pharyngeal/branchial arch.
  • Nerves of 1st, 2nd, 3rd, 4th and 6th  Pharyngeal arches.
  • Derivatives of 1st, 2nd, 3rd, 4th pharyngeal pouches.
  • Embryonic structures that contribute to the formation of face along with their adult derivatives.

Q2. Describe briefly the development of tongue and correlate it with its nerve supply.

Q2.  Write short notes on:

  • Development of face.
  • Development of palate.
  • Development of thyroid gland.

Q4. Write embryological basis for:

  • Oblique facial cleft.
  • Cleft palate
  • Cleft lip.
  • Aberrant  thyroid tissue.
  • Thryroglossal cysts.
  • Branchial Fistulas.
  • Cervical cyst.
  • Treacher Collin syndrome (mandibulofascial dysostosis)

 

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