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Fall341
CH 3-4
Question | Answer |
---|---|
pharyngeal arch | the pharyngeal arch form underneath the oral cavity. pharyngeal arches bend the sides of the pharynx as bars of tissue. there are five arches; the first (mandibular arch) and second (hyoid) are important in main development. |
pharyngeal pouch | the pharyngeal pouch grows within the pharynx. these pouches separate each of the five pharyngeal arches. |
pharyngeal arch one nerve | the first pharyngeal arch is responsible for forming nerves, such as the trigeminal nerve; this nerve is essentially responsible for facial motor activities like chewing. |
pharyngeal arch one cartilage/bone | the first pharyngeal arch is responsible for forming skeletal contributions, such as the mandible and the maxilla. |
pharyngeal arch one vessels | the first pharyngeal arch is responsible for forming artery contributions, such as the maxillary artery. this artery provides blood to the areas of the face, like the maxilla and mandible. |