Salivary glands and salvia - Intro Flashcards
what are the 3 major glands?
- Parotid
- Submandibular
- sublingual
Name some minor glands.
lips, cheeks, palate , oropharynx , tongue
What does salvia lack?
- urgency of blood
- endeavour of sweat
- emotion of tears
what salvia does the parotid gland produce?
99% serous
what do serous cell make?
watery salvia
what salvia does the submandibular gland produce?
mixed mucous / serous
what is mucous?
thick viscous salvia with more mucoproteins (glycoproteins)
what salvia does the sublingual gland produce?
largely mucous secretions
what is the function of the salivary gland system characterised by?
the continuous resting secretion upon which intermittently an enormously increased activity is superimposed (i.e feeding)
when is resting secretion present?
throughout the day and night
less in night
what does salvia do to the mouth and oropharynx-pharynx?
keeps it :
- moist
- lubricated
- Protected
how much salvia is produced per day?
500-750ml / day
How much of the salvia produced is from the major and minor glands?
- 90% from major salivary glands
- 10% from minor salivary glands
how much salvia I produced at rest?
0.3ml /min
unstimulated flow rate
how much salvia is produced when stimulated?
1.75ml/min when stimulated
what happens during stimulation?
oral stimulation which triggers reflex response
How much salvia is produced by each gland at rest?
- 10% from parotid
- 70% from submandibular
- 10% from sublingual
- 10% from minor glands
How much salvia is produced by each gland when stimulated?
- 60% from parotid
- 30% from submandibular
- 5% from sublingual
- 5% from minor glands
where does serous salvia come from?
mainly parotid and submandibular glands
where does mucous come from?
mainly from sublingual and minor glands
what is the mixture of all the salvias in the mouth?
whole saliva
where does sublingual salvia flow?
most flows in the “lingual gutter” underneath the tongue on the lingual side of teeth
where does the salvia flow from the parotid , submandibular and minor mucous gland secretions ?
across the tooth
Does salvia cross the midline?
no