Larynx Anatomy: From Root Of Tongue To Trachea Explained

Larynx Anatomy: From Root Of Tongue To Trachea Explained

Describe the larynx under following headings:

1. larynx Extent
2. larynx Parts
3. larynx Vocal folds
4. larynx Nerve supply

Answer:

Larynx Extent:

• From root of tongue to trachea

Larynx Parts:

• It has three parts
  • Supraglottic
  • Ventricle and
  • Infraglottic

Larynx Vocal folds:

• There are two folds of mucous membrane in the cavity of larynx
• They are
  1. Vestibular fold
     • It is the upper fold
  2. Vocal fold lower fold
     • Attachments of vocal folds
       • Anteriorly – middle of angle of thyroid cartilage
       • Posteriorly – vocal processes of arytenoid cartilage
       • Both folds divide the cavity into 3 parts
         1. Vestibule of larynx/ Supraepiglottis
            • It is a part above the vestibular fold
         2. Sinus of larynx/ Ventricle of larynx
            • It is the part between vestibular and vocal folds
         3. Infraglottis
            • It is a part below vocal folds

Larynx Nerve supply:

• Motor nerve supply

• Sensory nerve supply