ILLUSTRATIONS GRADED A+ 2025
1. Orbicularisoculi O:frontalandmaxillarybonesandligamentsaroundorbit.
I:tissueofeyelid.
A:closeseye;producesblinking,squinting,anddrawseyebrowsinferiorly.
2. Orbicularis oris
O:arisesindirectlyfrommaxillaandmandible;fibersblendedwithfibersofoth
er fascial muscles associated with the lips.
I:encirclesmouth;insertsintomuscleandskinatanglesofmouth.
A:closeslips;pursesandprotrudeslips;kissingandwhistlingmuscle.
3. Platysma O:fasciaofchest.
I:lowermarginofmandible,andskinandmuscleatcornerofmouth.
A:tensesskinofneck;helpsdepressmandible;pullslowerlipbackanddown.
1
, BIOL 348 MUSCLE MATCHING QUIZ 1; EXAM PICTORIAL
ILLUSTRATIONS GRADED A+ 2025
4. Occipitalis O:occipitalandtemporalbones.
I:epicranialaponeurosis.
A:fixesaponeurosisandpullsscalpposteriorly.
2
, BIOL 348 MUSCLE MATCHING QUIZ 1; EXAM PICTORIAL
ILLUSTRATIONS GRADED A+ 2025
5. Frontalis O:epicranialaponeurosis.
I:skinofeyebrowsandrootofnose.
A:withaponeurosisfixed;elevatestheeyebrows;wrinklesforeheadskinhoriz
on- tally.
6. Masseter O:zygomaticarchandzygomaticbone.
I:angleandramusofmandible.
A:closesjaw;elevatesmandible.
7. Temporalis O:temporalfossa.
I:coronoidprocessofmandibleviaatendonthatpassesdeeptozygomaticarch.
A:closesjaw;elevatesandretractsmandible;maintainspositionofthemandible
at rest; deep anterior part may help protract mandible.
3