Which of the following does not move on deglutition
**Core Concept**
The act of deglutition, or swallowing, involves the coordinated movement of several anatomical structures to propel food from the mouth to the stomach. This process includes the movement of the **tongue**, **hyoid bone**, **larynx**, and **pharynx**.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general principle. During deglutition, the **elevation of the larynx** and **hyoid bone** occurs, which helps to prevent food from entering the airway. The **tongue** also plays a crucial role in swallowing by pushing food towards the pharynx.
**Why Each Wrong Option is Incorrect**
**Option A:** Without the specific option, we cannot determine why it is incorrect.
**Option B:** Similarly, without the option, we cannot explain its incorrectness.
**Option C:** The same applies to this option.
**Option D:** This option's incorrectness cannot be explained without knowing what it is.
**Clinical Pearl / High-Yield Fact**
A key point to remember is that the **cricopharyngeal muscle** relaxes during swallowing to allow food to pass into the esophagus.
**Correct Answer:** Not provided in the query.