2026/2027 Expert Verifed Ace
the Test
endomysium - ANSWER ✔✔fine layer of CT that surrounds each
muscle fiber (cell)
perimysium - ANSWER ✔✔sheath around each fasicle
Epimysium - ANSWER ✔✔dense, fibrous CT that surrounds and
holds together a group of fascicles = outside layer of single muscle
Deep Fascia - ANSWER ✔✔binds muscles into functional groups
Origin - ANSWER ✔✔attachment to immovable bone
, insertion - ANSWER ✔✔attachment to a movable bone
genioglossus - ANSWER ✔✔prime mover of tongue; anchors tongue
to prevent obstruction of respiration
hyoglossus - ANSWER ✔✔depresses tongue, especially lateral
margins
styloglossus - ANSWER ✔✔retracts and elevates tongue
masseter - ANSWER ✔✔prime mover of jaw closure
temporalis - ANSWER ✔✔elevates and retracts mandible
medial and lateral pterygoid - ANSWER ✔✔two-headerd; additional
jaw movements (side-to-side grinding movements)
buccinator - ANSWER ✔✔compresses the cheek; helps keep food
between grinding surfaces of teeth during chewing
sternocleidomastoid - ANSWER ✔✔2-headed; deep to platysma;
prime mover of head flexions
scalene - ANSWER ✔✔more laterally and deep to platysma and
sternocleidomastoid - elevates first two ribs, role in coughing, felt and
rotate neck