Which gland smoothens the margins of eyelids and prevents the overflow of tears, smoothens the margins of eyelids and prevents overflow of tears?

The correct option is C

Meibomian glands

Meibomian gland

Meibomian glands, also called tarsal glands, are modified sebaceous glands present on the margins of eyelids. Their oily secretion smoothens the margins of eyelids and prevents overflow of tears.