Submandibular Triangle Flashcards
Name boundaries
Inferior border of mandible, anterior belly of digastric muscle, posterior belly of digastric muscle
Which structure occupies most of triangle?
Submandibular gland
What wraps around free edge of mylohyoid muscle?
submandibular gland
Which artery and vein contact submandibular gland?
Facial artery and vein
What muscles are found in this triangle?
Digastric muscles
What joins digastric muscles?
Intermediate tendon
How is tendon of digastric muscles bound?
To hyoid bone by fibrous sling
Which tendon does digastric tendon pierce?
Tendon of stylohyoid
Where does posterior belly of digastric attach?
Medial surface of mastoid process
Which nerve supplies post. belly digastric?
CN VII
Where does anterior belly of digastric attach?
Digastric fossa of mandible
Which nerve supplies ant belly of digastric?
CN V
What does digastric muscle do?
Depress mandible and raise hyoid bone.
Which nerve slips under mylohyoid muscle?
CN XII
Which nerve is wedged between anterior digastric and body of mandible?
Mylohyoid nerve (supplies mylohyoid and anterior digastric.)
