What is the name given to the superior anterior opening for the alimentary canal?
the mouth or oral cavity
What are the names given to the opening of the mouth?
- oral orifice
- oral fissure
- rima oris
- rima of the mouth
What forms the fleshy boundaries of the oral cavity?
lips and cheeks
What is the name given to the space between the teeth and the external fleshy tissue of the face?
oral vestibule
What is the name given to the space between the lips and the teeth?
labial vestibule
What is the name given to the space between the cheeks and the teeth?
buccal vestibule
What is the name given to the space within the region formed by the occluded teeth?
oral cavity proper
What is the type of skin covering most of the external lip?
stratified squamous keratinous epithelium
What is the type of skin internal to the margin of the rima oris?
stratified squamous nonkeratinized epithelium
What is the name given to the junction between the skin and the red region of the lip?
vermilion border
What is the name given to the red region of the lip?
vermilion zone
What is unique about the human lip?
the natural red color
What is the name given to the median depression of the upper lip?
philtrum
What is the name given to the depression extending from the nasal ala to the corner of the upper lip?
nasolabial groove/sulcus
What is the name given to the horizontal furrow between the lower lip and the chin?
mentolabial/labiomental groove/sulcus
What is the name given to the union of the upper and lower lips at the corner of the mouth?
labial commissure
What muscle will form the lip?
oribicularis oris
What arteries supply the lips?
superior and inferior labial a.
What glands will be identified within the lips?
the labial salivary glands
What is the name given to the attaching material in the median plane from the lips to the gingiva proper?
- superior labial frenulum
- inferior labial frenulum
What specific nerves provide cutaneous sensation for the cutaneous regions of the upper and lower lips?
- upper lip: infraorbital nerves, maxillary division, trigeminal
- lower lip: mental nerves, mandibular division, trigeminal
What lymph nodes will filter lymph from the lips?
- submandibular
- submental
What forms the layers of the cheek from external to internal?
- skin
- corpus adiposum
- buccinator muscle
- buccal salivary glands
- mucous membrane of the cheek
What are the names given to the fatty deposits within the cheek?
- corpus adiposum
- Bichat’s fat plug
- buccal fat plug
- suctorial fat pad of infants
What is the primary muscle of the cheek?
buccinator muscle
What blood vessel supplies the cheek?
buccal branches of the facial artery
What specific nerves supply cutaneous sensation to the cheek?
- infraorbital nerves, maxillary division, trigeminal
- buccal nerves, mandibular division, trigeminal
- mental nerves, mandibular division, trigeminal
What lymph nodes will filter lymph from the cheeks?
- submandibular
- submental
What is the name given to the mucous membrane covered region of the alveolar processes and alveolar juga of the maxillae and mandible?
gingiva
What is the name given to the part of the mucous membrane of the lip or cheek attaching to the maxilla or to the mandible?
gingiva proper
What is the alveolar mucosa?
the name given to the mucous membrane connecting the gingiva proper with the lining of the lip or the cheek