Lab #8 Flashcards
anterior belly of digastric identification
fibers run posterior to anterior; inferior to mylohyoid
anterior belly of digastric function
elevate larynx and hyoid
anterior belly of digastric origin
digastric fossa
mylohyoid identification
fibers run perpendicular to geniohyoid; inferior to geniohyoid; superior to anterior belly of digastric
anterior belly of digastric insertion
intermediate tendon of digastric
mylohyoid function
elevates hyoid, floor of mouth, and tongue
mylohyoid origin
mylohyoid line
mylohyoid insertion
mylohyoid raphe and hyoid
geniohyoid identification
inferior to genioglossus on each side of mandible
geniohyoid function
pulls hyoid anterosuperiorly, shortens floor of mouth, and widens pharynx
geniohyoid origin
mental spine
geniohyoid insertion
hyoid
genioglossus identification
fan shaped
genioglossus function (bilateral)
depress tongue; posterior does protrusion; anterior does retraction of apex
genioglossus function (unilateral)
deviate tongue to contralateral side
hypoglossus function
depress and retrude tongue
hypoglossus identification
fibers run superiorly to posterolateral tongue
genioglossus insertion
dorsum of tongue and hyoid
genioglossus origin
mental spine
hypoglossus origin
body and greater horn of hyoid
hypoglossus insertion
inferolateral tongue
styloglossus identification
fibers run anteriorly toward posterolateral tongue
styloglossus function
retrude and curl sides of tongue
styloglossus origin
styloid process and stylohyoid ligament