Which gland secretes merocrine secretions in the lacrimal apparatus?

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Multiple Choice

Which gland secretes merocrine secretions in the lacrimal apparatus?

Explanation:
Merocrine secretion relies on exocytosis of secretory vesicles, with the secreting cell preserved. In the lacrimal apparatus, the watery tear fluid is produced by the main lacrimal gland through this merocrine pathway, delivering the aqueous component of tears to the ocular surface. This is distinct from the lipid-producing Meibomian glands, which secrete lipids that form the oily layer (a different mechanism), and from goblet cells that contribute mucins to the tear film. So, the gland that uses merocrine secretion in the lacrimal apparatus is the lacrimal gland main.

Merocrine secretion relies on exocytosis of secretory vesicles, with the secreting cell preserved. In the lacrimal apparatus, the watery tear fluid is produced by the main lacrimal gland through this merocrine pathway, delivering the aqueous component of tears to the ocular surface. This is distinct from the lipid-producing Meibomian glands, which secrete lipids that form the oily layer (a different mechanism), and from goblet cells that contribute mucins to the tear film. So, the gland that uses merocrine secretion in the lacrimal apparatus is the lacrimal gland main.

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