A couple of questions

Which portion of the swallowing process is voluntary?

The oral phase of swallowing is the first stage of deglutition, and it is a voluntary process. It is also commonly known as the buccal phase. It involves the contraction of the tongue to push the bolus up against the soft palate and then posteriorly into the oropharynx by both the tongue and the soft palate.

Pharyngeal phase: Bolus moves from the orop…
Oral phase: Bolus moves from oral cavity into t…

What part of swallowing is voluntary?

oral phase The preparatory/oral phase is voluntary, whereas the pharyngeal and esophageal phases are mediated by an involuntary reflex called the swallowing reflex. The neuromuscular structure and control of the oral, pharyngeal, and esophageal phases of swallowing are different.

Which phase of swallowing is under voluntary control?

oral phase The oral phase – which includes the gathering of food, movements within the oral cavity, mastication and the formation of boluses of ingesta at the base of the tongue – is under voluntary control.

Where is the voluntary phase of deglutition finishes?

The Voluntary Phase In this phase, chewing has been completed and swallowing is set in motion. The tongue moves upward and backward against the palate, pushing the bolus to the back of the oral cavity and into the oropharynx. Other muscles keep the mouth closed and prevent food from falling out.

What are the 4 stages of the swallowing process?

There are 4 phases of swallowing:

  • The Pre-oral Phase. – Starts with the anticipation of food being introduced into the mouth – Salivation is triggered by the sight and smell of food (as well as hunger)
  • The Oral Phase. …
  • The Pharyngeal Phase. …
  • The Oesophageal Phase.

Is Deglutition voluntary or involuntary?

The oral phase of swallowing is the first stage of deglutition, and it is a voluntary process. It is also commonly known as the buccal phase. It involves the contraction of the tongue to push the bolus up against the soft palate and then posteriorly into the oropharynx by both the tongue and the soft palate.

Is the epiglottis voluntary or involuntary?

A critical part of the pharyngeal phase is the involuntary closure of the larynx by the epiglottis and vocal cords, and the temporary inhibition of breathing. These actions prevent food from going “down the wrong pipe” into the trachea (windpipe).

What is the first phase of swallowing?

Swallowing starts with the oral phase. This phase begins when food is placed in the mouth and moistened with saliva. Moistened food is called a food bolus.