Oral Cavity Flashcards
define oral cavity
space enclosed by lips and cheeks filled with tongue
what are the main functions of the mouth?
prehension
mastication
insalivation
what is the name of the muscle in the cheek
buccinator muscle
where is the oral cavity proper
between the teeth
where is the oral cavity vestibule
between the teeth and the lateral side wall (cheek) and runs caudally
what cell type lines the lips?
stratified squamous epithelium
what are the function of horse lips? and what are their requirements?
to collect food into the mouth - must be sensory and mobile
what are the importance of the lips?
communication
newborns suck around the teat
what is the muscle in the lips and how is it innervated?
mimetic musculature - innervated by the facial nerve
describe the dog lip
thin loose lower lip flattened to the jaw
median groove area in the top lip called the philtrum
how and why are ruminant cheeks specialised?
cornfied epithelium have reduces mobility and protects cheek from dry rough food.
where does the Zygomatic gland open to?
the buccae (cheek)
where is the opening of the parotid gland?
parotid papillae behind the 2nd maxillary molar
what is the diverticula
cheek pouches in some rodents and monkeys
describe the structure of the hard palate?
highly keratinised mucosa with transverse ridges
