Practice question
Question
Sebaceous glands secrete through which mode of secretion?
Explanation
Sebaceous glands associated with hair follicles secrete sebum via holocrine mode where entire cell disintegrates to release lipid-rich product. Accumulated sebum lubricates skin and hair. Merocrine releases via exocytosis without loss, apocrine pinches apical cytoplasm, unlike holocrine complete rupture.
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