Mandible and Associated Structures Flashcards
What does the alveolar process contain?
tooth sockets (alveoli)
What articulates with the temporal bone to form the temporomandibular joint?
condylar process
T/F The coronoid process is attachment for muscles of mastification
True
What originates on the superior mental spine?
genioglossus muscle
What originates on the inferior mental spine?
Geniohyoid muscle
What originates on the digastric fossa?
anterior belly of digastric
What originates on the mylohyoid line?
Mylohyoid muscle
What is located in the sublingual fossa?
sublingual gland
What is located in the submandibular fossa?
submandibular gland
Which of the following is supplied by the facial nerve? A. Styloglossus Muscle B. Stylohyoid Muscle C. Hyoglossus Muscle D. Genioglossus Muscle E. Geniohyoid Muscle
B. stylohyoid muscle
What is the function of the digastric muscle?
elevates the hyoid bone
depresses mandible
What is the function of the mylohyoid muscle?
elevates hyoid bone and floor of the mouth
What is the function of the geniohyoid muscle?
elevates hyoid bone and tongue
What is the largest muscle of the tongue?
Genioglossus muscle
What is the function of the Genioglossus muscle?
draws tongue forward and protrudes tip of tongue
What is the function of the hyoglossus muscle?
draws tongue downward
What is it called when part of the hyoglossus takes origin from the lesser horn of the hyoid bone?
chondroglossus
What is the function of the styloglossus muscle?
draws tongue upward and backward
What is the function of the sylohyoid muscle?
elevates hyoid bone and tongue
What is pierced by the intermediate tendon of digastric?
Stylohyoid muscle
What is the largest and sturdies facial bone?
mandible
What are the three paired salivary glands?
submandibular
parotid
sublingual
What triangle is the submandibular gland located?
submandibular triangle
Where does the submandibular duct open into?
oral cavity on the sublingual caruncle
What is the innervation of the submandibular gland?
parasympathetic fibers from the facial nerve via the submandibular ganglion
What does the sublingual gland empty into?
empties into the floor of the mouth by 12 short ducts
What is the innervation of the sublingual gland?
parasympathetic fibers from the facial nerve via submandibular ganglion
Which of the following nerves is not associated with the mandible? A. lingual nerve B. facial nerve C. glossopharyngeal nerve D. hypoglossal nerve
B. Facial nerve
What are the two blood vessels associated with the mandible?
lingual artery and vein
facial artery and vein
What are the two lymph nodes associated with the mandible?
submandibular and submental lymph nodes
