Q89. Goblet cells of the alimentary canal are modified from

2. Columnar epithelial cells

Solution:
Some of the columnar or cuboidal cells get specialized for secretion and are called glandular epithelium.
They are mainly of two types:
unicellular, consisting of isolated glandular cells (goblet cells of the alimentary canal), and
multicellular, consisting of a cluster of cells (salivary gland).

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