Rete pegs
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Rete pegs are the epithelial extensions that project into the underlying connective tissue in both skin and mucous membranes.
Skin epithelium (purple) with lamina propria (underlying connective tissue) (pink) -- the epithelium exhibits rete pegs. Rete pegs protect the tissue from shearing.
Sweat gland
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Sweat glands, also known as sudoriferous or sudoriparous glands, from Latin sudor 'sweat', are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland, which
Human sweat gland pores on the ridges of a finger pad
In apocrine secretion (pictured), portions of the cell are pinched off and later disintegrate.