Human The Tongue Short Question And Answers

Describe anatomy of tongue. Add a note on its development
(or)
Describe surface features of dorsum of the tongue. How do you connect its epithelial innervations to its development?
(or)
Development of tongue

Answer:

Development of Tongue:

• Tongue is a muscular organ situated in the floor of the mouth
• The tongue has
  • A root
  • A tip
  • A bodywhich has
    • A curved upper surface or dorsum
    • An inferior surface

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Dorsum of tongue:

• Dorsum of tongue is divided into 2 parts by a faint Vshaped groove, the sulcus terminalis.
• They are

1. Oral part or anterior twothird

• Dorsum of tongue Site: It is placed on the floor of the mouth
• Dorsum of tongue Surface & Margins:
  • Its margins are free & in contact with the gums & teeth
  • Its superior surface shows a median furrow & is covered with rough papillae

2. Pharyngeal part or posterior onethird

Development of Tongue Site:

• Development of Tongue Site lies behind the palatoglossal arches & the sulcus terminalis

Development of Tongue Surface:

• Posterior surfaceforms the anterior wall of the oropharynx
• The mucous membrane is devoid of papillae
• Development of Tongue Site consists of lingual tonsil & mucous glands

Development of tongue & nerve supply:

Epithelium & muscular development:

Question 3. Give an account of musculature of tongue & its development. Write briefly about lymphatic drainage of tongue (or) Lymphatic drainage of tongue (or) Lymphatic drainage of tongue
Answer:

• Tongue is a muscular organ
• Lymphatic drainage of tongue consists of 4 intrinsic & 4 extrinsic muscles

Lymphatic Drainage: