Medial Pterygoid Muscle

Medial Pterygoid Muscle

“What is the medial pterygoid muscle? A detailed question and answers guide”

Question 1. Medial pterygoid
Answer:

• Quadrilateral in shape
• Has two heads

Medial pterygoid Origin:

• Superficial head
• Tuberosity of maxilla
• Pyramidal process of palatine bone
• Deep head
• Medial surface of lateral pterygoid plate

“Understanding the medial pterygoid muscle through FAQs: Composition, functions, and uses explained”

Medial pterygoid Insertion:

• The roughened area on the Medial surface of the ramus of the mandible
• The angle of the mandible below & behind the mandibular foramen &mylohyoid groove

Medial pterygoid Nerve supply:

• Nerve to Medial pterygoid
• A branch from the main trunk of the mandibular nerve

Medial pterygoid Action:

• Elevates mandible
• Protrusion of mandible
• Alternate contraction during side-to-side movements

“Importance of studying the medial pterygoid muscle for medical students: Questions explained”

Question 2. Anterior belly of digastric
Answer:

Anterior belly of digastric Origin:

• Digastric fossa on the lower border of mandible close to symphysismenti

Anterior belly of digastric Insertion:

• Intermediate tendon

“Common challenges in mastering medial pterygoid muscle notes effectively: FAQs provided”

Anterior belly of digastric Nerve supply:

• Mylohyoid branch of the inferior alveolar nerve

Anterior belly of digastric Actions of digastric muscle:

• It depresses and retracts the chin in opening the mouth
• They pull hyoid bone upward and help in deglutition