Salivary glands

What percentage of saliva is water?

99%

What is ptyalin?

a digestive enzyme in saliva that acts on carbohydrates.

What are inorganic ions?

ions in saliva such as calcium and phosphates

does saliva contain antibodies?

yes

what are leucocytes?

white blood cells in saliva for defense

What factors stimulate saliva glands to produce saliva?

1. thought, sight, smell of food

2. hunger

3. anything in the mouth e.g. dentures#

4. just before vomiting

What are the beneficial functions of saliva?

1. aids digestion

2. lubrication

3. aids swallowing

4. acts as a buffering agent

5. contains antibacterials

6. cleansing

7. aids taste

Parotid gland

The largest salivary gland containing the stensons duct which carries saliva into the mouth,pouring out by the upper first molars.

Sublingual gland

The smallest salivary gland that has numerous ducts which open on the floor of the mouth underneath the tongue.

Submandibular gland

Gland that lies under the mandible and opens at thew anterior lingual surface. Known as the Whartons duct.

What is xerostomia?

Dry mouth caused by a malfunction of the salivary glands;.

What is a mucocoele?

A mucous cyst caused by saliva escaping into surrounding tissue from a ruptured saliva gland duct.

Where is saliva produced?

Salivary glands?

What percentage of saliva is water?

99%

What is PTYALIN?

Digestive enzyme that acts on carbohydrates.

What is a simple term for leucocytes?

White blood cells

What makes our mouths water?

Stimulation of saliva glands to the thought or smell of food, hunger, or anything foreign in the mouth like dentures

How many saliva glands are there?

3

Which salivary gland is the largest?

Parotid gland

What are ducts?

Tubes that carry saliva into the mouth from the glands

Which is the smallest salivary gland?

Sublingual gland

Which duct surfaces from under the tongue?

Sublingual gland

What viral condition affects the parotid gland?

Mumps / Paramyxovirus

What are the 5 food groups?

1. protein

2. carbs

3. fat

4. minerals

5. vitamins

Where does digestion begin?

The mouth / oral cavity

Where does digestion end?

The anus

What organ stores vitamins?

The liver

What do gastric ulcers produce?

Excess production of stomach acid

What is loss of function caused by alcohol consumption called?

Cirrhosis

What does mastication mean?

Chewing