Circumvallate Papillae: Structure, Location, And Function

Circumvallate Papillae: Structure, Location, And Function

Question 1. Circumvallate papillae
Answer:

• Circumvallate papillae is large in size
  • Size: 12 mm in diamter
  • Number – 8 – 12
  • Situation
• Immediately in front of sulcus terminalis
• Each papilla is cylindrical projection surrounded by circular sulcus
• The walls of papilla have taste buds

Question 2. Name extrinsic muscles of tongue
Answer:

Extrinsic Muscles of Tongue:

• Palatoglossus connects tongue to palate
• Hyoglossus connects tongue to hyoid bone
• Styloglossus connects tongue to styloid process
• Genioglossus connects tongue to mandible.

Question 3. Bifid tongue
Answer:

• Bifid tongue is a congenital structural defect of the tongue in which its anterior part is divided longitudinally for a greater or lesser distance
• Bifid tongue is a rare congenital anomaly usually associated with syndromes and infrequently associated with nonsyndromic cases.
• The syndrome most commonly seen with associated finding of bifid tongue is the orofacialdigital syndrome.
• Various other syndromes and nonsyndromic cases also have been found to have an associated finding of bifid tongue as an irregular feature.