Blood is considered a type of connective tissue because, like other connective tissues, its cells are loosely spaced and embedded in an intercellular matrix. This matrix allows blood to perform its function of connecting different parts of the body by ...
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Glandular epithelium is specialized epithelial tissue that forms glands capable of secreting substances at the epithelial surface.
Gland cells arise from epithelial tissue when a portion of the epithelium folds inward, forming a multicellular gland.
Cuboidal epithelium lines the kidney tubules and ducts of salivary glands, providing mechanical support.
In the respiratory tract, columnar epithelium has cilia, which move to push mucus forward and help clear it from the airways.