Oral Cavity Flashcards
Two parts of the oral cavity
Oral vestibule
Oral cavity proper
Oral vestibule
Slit-like space between the lips and cheeks anteriorly and laterally and the teeth and gingivae post and medially
What is included in the oral cavity
Lips
Philtrum
Vermillion border
What do the lips contain
Orbicularis oris
Sup and inf labial muscles
Vessels
Nerves
Vertical groove in the upper lip
Philtrum
Transitional zone between the skin and mucous membrane
Vermillion border
What supplies the upper lip
Sup labial branches of the facial and infraorbital arteries
Sup labial branches of the infraorbital nerves (CNV2)
Lymph in the upper lip passes primarily to the:
Submandibular lymph nodes
What supplies the lower lip
Inf labial branches of the facial and mental arts
Inf labial branches of mental nerves (CN V3)
Lymph from lateral parts of the lower lip passes initially to:
While the medial part passes to:
Submandibular lymph nodes
Submental lymph nodes
The tongue is partly in the:
And partly in the:
Oral cavity proper
Oropharynx
Surfaces of the tongue
Curves dorsal surface (dorsum) and an inferior surface
Parts of the tongue
Root
Body
Apex
The root of the tongue lies within the ______, post to the __ __. It consists of:
Oropharynx
Terminal sulcus
Lingual tonsil
Anterior 2/3 of the tongue
Body
Posterosuperior surface of the tongue
Dorsum of the tongue
What separates the anterior 2/3 from the post 1/3 of the tongue
Terminal sulcus
A small pit of the remnant of the thyroglossal duct from which the thyroid gland developed
Foramen cecum
Where are the lingual papillae located
On the ant part of the tongue
Large papillae that lie directly ant to the terminal sulcus
Vallate papillae
The vallate papillae consis of :
Taste buds and ducts of serous lingual glands (von ebner) open into these papillae
Foliage papillae are ___ and lies where?
Small
On the post lateral margin of the tongue
Foliate papillae contain:
Taste buds
Long, numerous papillae, distributed over the dorsum surface of the tongue
Filiform papillae
The fungiform papillae are ____ shaped, scattered among the _____ ____, but are most numerous at the ____ and ____.
Mushroom
Filiform papillae
Apex and sides of the tongue
Fugiform papillae contain:
Taste buds
Divides the tongue into right and left halves
Midline groove of the tongue
The inf surface of the tongue is with:
This transparent mucous membrane through which can see the underlying deep lingual veins
A large midline fold of mucosa, connecting the tongue to the floor of the mouth
Lingual frenulum
At the base o the lingual frenulum, there are openings of the ______ ducts from the _______ salivary glands
Submandibular
Submandibular