Salivary Glands And Saliva Flashcards
What are the 3 pairs of large salivary glands?
- Parotid
- Submandibular
- Sublingual
Where is the parotid located ?
Below the external meatus (ear hole)
Between the mastoid process and posterior border of ramus
What is the largest salivary gland?
Parotid
What percentage of saliva does the parotid gland produce ?
25%
What consistency of saliva does the parotid gland produce ?
Serous (watery)
Where does the parotid gland provide saliva to?
Oral cavity via parotid duct
Where does the parotid duct open up?
On the buccal mucosa, opposite the upper 2nd permanent molar. (Leads to high calculus build up).
What consistency of saliva does the submandibular gland produce?
A mix of serous and mucous saliva
What percentage of saliva does the submandibular gland produce?
70%
where does the submandibular duct open up?
sublingual papilla on the floor of the mouth
what percentage of saliva does the sublingual gland produce?
5%
what consistency is the saliva that the sublingual gland produces?
Mucous
what is the composition of saliva?
99.5% water
0.5% other dissolved substances
the dissolved substances is saliva are
proteins:
.mucous
.enzymes
.serum proteins
waste products:
.inorganic ions
.gases
what is the function of saliva?
oral clearance
speech
taste
water balance
digestion
excretion
buffering action that keeps the natural PH
mastication
