Lip - GA
The lips surround what opening of the oral cavity?
Oral orifice
What type of epithelium lines the inner surface of the lips?
Stratified squamous non-keratinized epithelium
What type of muscle composes the tongue?
Striated (skeletal) muscle
What surface of the tongue contains papillae?
Dorsal surface
What part of the tooth is visible above the gingiva?
Crown
What muscle forms the bulk of the lips?
Orbicularis oris
What type of epithelium covers the outer surface of the lips?
Keratinized stratified squamous epithelium
How is the tongue divided anatomically?
Anterior two-thirds and posterior one-third
Which papillae are the most numerous?
Filiform papillae
What tissue covers the crown of the tooth?
Enamel
What groove is seen in the midline of the upper lip?
Philtrum
What layer lies beneath the epithelium of the lip mucosa?
Lamina propria
What structure divides the tongue into right and left halves?
Median fibrous septum
Which papillae contain taste buds?
Fungiform, foliate, and circumvallate papillae
What tissue forms the bulk of the tooth?
Dentin
What structures connect the inner surface of the lips to the gums?
Labial frenula
What glands are present in the submucosa of the lips?
Minor salivary glands
Where is the posterior one-third of the tongue located?
Pharynx
Which papillae are arranged in a V-shaped row?
Circumvallate papillae
What soft tissue occupies the pulp cavity?
Dental pulp
What types of structures are found within the substance of the lips?
Blood vessels, nerves, connective tissue, and minor salivary glands
What histologic transition is seen in the lips?
Non-keratinized oral epithelium to keratinized skin epithelium
What tissue strongly binds the mucosa to the tongue muscles?
Connective tissue of the lamina propria
Which papillae are keratinized and lack taste buds?
Filiform papillae
What cells are responsible for dentin formation?
Odontoblasts