CDS 555 Anatomy and Physiology

What are the stages of a swallow?

Oral (both oral preparatory and oral transit), pharyngeal, and esophageal

What is AP transit?

Oral transit; moving bolus to the back of tongue

What cranial nerves are involved in the oral stage?

Trigeminal V, Facial VII, Hypoglossal XII

What is the anterior sulcus?

The space between lips and teeth

What are the lateral sulci?

The space between cheeks and teeth

What can occur at the anterior and lateral sulci?

Pocketing of food

What does contact between the back of tongue and the soft palate prevent?

Premature spillage

What is the primary manipulator of the bolus?

Tongue

What are the 3 major salivary glands on each side?

Parotid, submandibular, and sublingual

What are the functions of saliva?

Lubrication, protection, digestion, and communication

Which part of the tongue is under voluntary neural control?

Oral portion

Which part of the tongue is under involuntary neural control?

The pharyngeal portion (base of tongue)

What are the steps of the oral phase?

Food to mouth, containment, bolus preparation, bolus transit