Goblet cells are specialized epithelial cells that secrete mucus to protect mucous membranes. They play a critical role in trapping pathogens and particles, preventing them from entering the body.
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Goblet cells are found in the respiratory and gastrointestinal tracts.
They secrete mucus composed mainly of mucins, which are glycoproteins that provide a gel-like consistency.
The mucus produced by goblet cells traps microbes and debris, facilitating their removal through ciliary action or peristalsis.
Goblet cell secretion is an innate defense mechanism that helps prevent infections by creating a physical barrier.
They are named for their characteristic goblet-like shape, which is due to the accumulation of mucin granules.
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Related terms
Mucins: Glycoproteins that give mucus its gel-like consistency.