The labial reflex (r. labiales) is one of many reflexes that control human movements and behavior. This reflex involves the automatic retraction of the lips into the mouth when stimulated by touching or approaching other parts of the body.
The labial reflex begins in receptors located on the surface of the lips. When the lips touch another surface, such as when kissing or eating, lip receptors transmit signals to the nervous system. These signals are then redirected to the brain, where information is processed and the corresponding reflex is formed.
The labial reflex plays an important role in the feeding process. They help protect the mouth from food particles and liquids during chewing and swallowing. In addition, the labial reflex helps control the flow of air during the production of sounds and speech.
Impaired labial reflex can occur as a result of certain medical conditions, such as labial paralysis or neurological disorders. These conditions can impair a person's ability to chew, swallow, and pronounce sounds properly. In such cases, medical attention is necessary to restore normal labial reflex function.
Overall, the labial reflex is an important element of our daily lives and helps us perform many tasks that we often take for granted. Without it, we wouldn't be able to chew, swallow, or pronounce words properly.