Inferior Pharyngeal Constrictor

Inferior Pharyngeal Constrictor

Question 1. Give attachments, nerve supply & actions of inferior constrictor muscle
Answer:

Inferior constrictor muscle has two parts

“Factors influencing success with inferior pharyngeal constrictor studies: Q&A”

“Understanding the inferior pharyngeal constrictor through FAQs: Composition, functions, and uses explained”

Inferior Constrictor Muscle Nerve Supply:

• Inferior Constrictor Muscle  is supplied by the cranial part of accessory nerve through the pharyngeal plexus

Inferior Constrictor Muscle Actions:

• Contracts reflexly during deglutition & induce a wave of peristalsis
• Thyropharyngeus causes propulsion
• Cricopharyngeus acts as a sphincter

“Importance of studying the inferior pharyngeal constrictor for medical students: Questions explained”

Question 2. Rima vestibule
Answer:

• There are two folds of mucous membrane on each side in laryngeal cavity
• The upper fold is vestibular fold
• The lower fold is vocal fold
• Space between vestibular folds is rima vestibuli

“Common challenges in mastering inferior pharyngeal constrictor notes effectively: FAQs provided”

Question 3. Name the cartilages of larynx. Draw a diagram showing their arrangement
Answer:

• Larynx contains 9 cartilages
  1. Unpaired-3:
     • Thyroid
     • Cricoids
     • Epiglottis
  2. Paired -3:
     • Arytenoids
     • Corniculate
     • Cuneiform