Muscles Of The Larynx

Muscles Of The Larynx

“What are the muscles of the larynx? A detailed question and answers guide”

Question 1. Muscles of larynx
Answer:

“Understanding the muscles of the larynx through FAQs: Composition, functions, and uses explained”

Question 2. Rima glottidis
Answer:

• The lower fold of mucous membrane on each side in laryngeal cavity is called vocal fold
• Space between vocal folds is called rima glottidis
• Rima glottidis has an
  • Anterior intermembranous part- 3/5th
  • Posterior intercartilaginous part-2/5th
• Rima glottidis is narrowest part of the larynx
• Rima glottidis is longer (23 mm) in males than in females (17 mm)
• Rima glottidis is limited posteriorly by an interarytenoid fold of mucous membrane

Actions Affecting Rima Glottidis:

“Importance of studying muscles of the larynx for medical students: Questions explained”

“Common challenges in mastering muscles of the larynx notes effectively: FAQs provided”

Question 3. Interior of larynx (or) Briefly describe the extent, salient features and nerve supply of cavity of larynx.
Answer:

Extend:

• From the inlet of larynx to lower border of cricoid cartilage

Structures present:

1. Folds of mucous membrane

1. Vestibular fold- 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
3. Vestibule of larynx/ Supraepiglottis
   • It is a part above the vestibular fold
4. Sinus of larynx/ Ventricle of larynx
   • It is a part below vocal folds

“Factors influencing success with muscles of the larynx studies: Q&A”

2. Rima

1. Rima vestibule
   • Rima is space between right and left vestibular folds
2. Rima glottides
   • Rima is space between vocal folds