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oral phase

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
oral phase [′ȯr·əl ′fāz]
(psychology)
In psychoanalytic theory, the earliest of the stages of psychosexual development, lasting from birth to approximately 12 months of age, in which libidinal gratification is derived from intake of food, by sucking, and later by biting.


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Stages of swallow Swallowing can be divided into 3 functional phases: * oral phase * pharyngeal phase * oesophageal phase.
The oral phase of the swallow is voluntary and begins with the preparation of the bolus, which could include sucking, biting, chewing, and overall preparing and organizing the bolus to be swallowed.
[FIGURE 2 OMITTED] Next, during the oral phase (figure 2), the food is formed into a ball called a bolus.
 
 
 
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