Source and filter cavities
This theory states that speech production involves generating a sound source at the larynx, which the vocal tract then shapes and filters.
What is the Source-Filter Theory?
These paired bones form the prominence of the cheeks and articulate with the frontal, maxilla, and temporal bones.
What are the zygomatic bones?
This is the hardest substance in the human body and covers the crown of the tooth.
What is enamel?
his muscle closes the mouth and puckers the lips.
What is the orbicularis oris?
According to the principles of acoustic cavity resonance, increasing the volume of a vocal tract cavity changes its resonant frequency.
What is decrease?
This bone forms the anterior three-fourths of the hard palate via its palatine processes.
What is the maxilla?
hese teeth are chisel-shaped and are used for cutting.
What are the incisors?
This is the largest and strongest extrinsic muscle of the tongue.
What is the genioglossus?
This section of the pharynx contains the Eustachian tube orifices and the pharyngeal tonsils (adenoids).
What is the nasopharynx?
This unpaired bone forms the lower and posterior portion of the nasal septum, articulating superiorly with the perpendicular plate of the ethmoid.
What is the vomer?
This term describes the relationship between the upper and lower dental arches.
What is occlusion?
This facial muscle pulls the angle of the mouth upward to create a grin.
What is the zygomaticus major?
Unlike vowels which only use vocal fold vibration, voiced fricatives like /z/ or /v/ use vocal fold vibration combined with this type of sound source.
What are a periodic laryngeal source and an aperiodic supraglottal noise source?
This large opening at the base of the skull allows the spinal cord / brainstem to pass through.
What is the foramen magnum?
In this type of malocclusion, the mandible is retruded or positioned farther back.
What is Class II malocclusion?
This intrinsic tongue muscle narrows and elongates the tongue.
What is the transverse muscle?
The archways at the back of the mouth (faucial pillars) are formed by two muscles: the palatoglossus in front and this muscle in back.
What is the palatopharyngeus?
The jaw joint (TMJ) connects the temporal bone of the skull to this rounded part of the lower jaw.
What is the condylar process (or condyle)?
This type of bite occurs when the upper and lower dental arches are laterally displaced relative to each other.
What is a crossbite?
This extrinsic tongue muscle draws the tongue upward and backward and can pull its sides upward to form a trough.
What is the styloglossus