Articulation 3

1

Oral/Palatine Surface

2

Dorsum

3

Tip/apex

4

(Inferior surface)

5

Root

6

Pharyngeal surface

7

Base

1

Extrinsic Muscles

2

Intrinsic Muscles

3

Palatoglossus

4

Styloglossus

5

Hyoglossus

6

Genioglossus

7

Superior Longitudinal

8

Vertical Muscles

9

Transverse Muscles

10

Inferior Longitudinal

11

Median Fibrous Septum

1

Styloid Process

2

Palatoglossus

3

Styloglossus

4

Hyoglossus

5

Tounge

6

(Frenulum)

7

Mandible

8

Genioglossus

9

Geniohyoid

10

Hyoid Bone

What muscle? Part of what other muscle?

Chondroglossus part of hyoglossus

1

Sublingual folds

2

Lingual frenulum

Bilateral Contraction lowers tongue tip

Inferior Longitudinal Muscle

Unilateral Contraction turns tongue (2)

Inferior or Superior Longitudinal Muscle

Retracts tongue when they work together

Inferior Longitudinal Muscle and Superior Longitudinal

Bilateral Contraction rases tongue tip

Superior Longitudinal Muscle

Narrows and elongates tongue

Transverse Muscle

Bunches tongue up medially/rolls tongue

Transverse Muscle

Pulls tongue down to floor of mouth

Vertical Muscles

Flattens tongue

Vertical Muscles

Posterior fibers protrude tongue

Genioglossus

Anterior fibers retract tongue

Genioglossus

Posterior and anterior fibers together cups tongue in the middle

Genioglossus

Pulls sides of tongue down

Hyoglossus

Antagonist to palatoglossus

Hyoglossus

Retracts tongue

Styloglossus

Pulls sides of tongue upward

Styloglossus

Depresses sides of tongue

Chondroglossus

Elevates back of tongue

Palatoglossus

Depresses velum

Palatoglossus