Anatomy.txt

  1. Facial expression: orbicularis oculi
    close eye (humans)
  2. Facial expression: orbicularis oris
    closes/purses lips (humans)
  3. Facial expression: buccinator
    • compress cheek
    • by lips
  4. Facial expression: Platysma
    Skin surrounding cheek

    Depress mandible, lower lip, and tense neck skin
  5. Mastication: masseter
    • Cheek
    • closes lower jaw
    • on mandible
  6. Mastication: Temporalis
    • closes lower jaw
    • muscle on temporal part of skull
  7. Neck:Digastric
    • 2 muscles under chin
    • elevate hyoid
    • open mouth
  8. Neck: mylohyoid
    • Between digastric
    • elevate hyoid
    • elevate floor of mouth
  9. Neck: sternohyoid
    • Muscle in the middle of the neck-- looks like on wind pipe
    • depresses hyoid
  10. Neck: in cats:Sternomastoid and cleidomastoid
    • Equivalent to sternocleidomastoid in humans
    • flex neck
    • rotate head
    • sternomastoid is in between cleidomastoid and sternohyoid
    • cleidomastoid is the most superficial
  11. Neck: Splenius group
    • Triangle looking fan on back of neck
    • extend neck
    • rotate head
  12. Trunk Muscles: Erector Spinae
    • 1) humans- Iliocostalis group
    • 2) Longissimus group -long down the back
    • 3)spinalis group
    • all extend vertebral column
Author
dianawohlt
ID
470
Card Set
Anatomy.txt
Description
Muscle anatomy flash cards
Updated