Which layer of the tear film is secreted by the goblet cell?
Understand the Problem
The question is asking about the role of the goblet cell in the composition of the tear film, specifically which layer it secretes. This involves understanding the anatomy and function of the tear film layers in the eye.
Answer
The mucin layer
The mucin layer
Answer for screen readers
The mucin layer
More Information
Goblet cells located in the conjunctival epithelium are responsible for secreting the mucin layer, which is the innermost layer of the tear film and helps tears adhere to the ocular surface.
Tips
confusing the mucin layer with the lipid layer, which is actually produced by meibomian glands, not goblet cells
Sources
- Biochemistry, Tear Film - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Tear Film Mucins: Front Line Defenders of the Ocular Surface - NCBI - ncbi.nlm.nih.gov
- Understanding the Tear Film - Review of Cornea and Contact Lenses - reviewofcontactlenses.com
AI-generated content may contain errors. Please verify critical information
Thank you for voting!
