The lacrimal system

______ also contributes to the total basal tear secretion

• Glands of Zeiss

• Glands of Moll

• Glands of Krause

The mucin layer of the tear film is secreted by

• Glands of Wolfring

• Main lacrimal gland

• Goblet cells of conjunctiva

• Meibomeian gland

The following is not the function of tears:

• helps remove sloughed epithelial cells & debris.

• contains antibacterial substances.

• source of atmospheric oxygen

• none of the above

Lower canaliculi is responsible for ____ of tears drainage

• 20%

• 60%

• 90%

Draw the anatomy of lacrimal canaliculi and label it.