Cavities of the Vocal Tract

Question 1

4 Cavities of the vocal tract

Answer 1

1. Buccal Cavity
2. Oral Cavity
3. Nasal Cavity
4. Pharyngeal Cavity (pharynx)

Question 2

Nasal Cavity

Answer 2

Divided sagittally by the bony + cartilaginous nasal septum

It is bound anteriorly by the nares [openings in the nose]

It is bound POSTERIORLY by the nasopharyngeal wall

Bound INFERIORLY by the floor of the nose [roof of the mouth]

The LATERAL WALLS CONTAIN the CONCHAE which serve to increase the surface area

Question 2

Buccal Cavity

Answer 2

Space between the teeth and cheek

It varies greatly both in size and dimension

The space is bound by the lips and cheeks externally, and by the gums and teeth internally

Question 3

Oral Cavity

Answer 3

Bound ANTERIORLY + LATERALLY by the teeth + Alveolar Ridge

It is bound SUPERIORLY by hard and soft palate

It is bound POSTERIORLY by the ANTERIOR. faucial pillars [tonsils]

Is is bound INFERIORLY by the floor of the mouth

Question 4

Oropharynx

Answer 4

Extends from the soft palate to the hyoid bone

Question 5

Nasopharynx

Answer 5

Above the level of the soft palate

Question 5

Pharynx

Answer 5

Musculomembranous tube that extends from the base of the skull to the inferior portion of the cricoid cartilage

Question 5

3 regions of the pharynx

Answer 5

1. Nasopharynx
2. Oropharynx
3. Laryngopharynx

Question 6

Laryngopharynx

Answer 6

Extends from the hyoid bone to the esophagus