Understanding Skin Glands: Functions & Importance
Major Skin Glands & Functions
| Gland | Type | Primary Function |
|---|---|---|
| Sebaceous | Oil | Secrete sebum: lubricates, waterproofs, antimicrobial. |
| Eccrine sweat | Sudoriferous | Thermoregulation via evaporative cooling; widespread. |
| Apocrine sweat | Sudoriferous | Thicker secretion (proteins, lipids); axilla, groin; bacterial breakdown → odor. |
| Ceruminous | Modified apocrine | Earwax (cerumen): traps debris, antimicrobial, lubricates ear canal. |
| Mammary | Modified apocrine | Milk production for infant nutrition. |
| Meibomian | Sebaceous (eyelid) | Oily layer of tear film; prevents evaporation. |
| Montgomery | Areolar | Lubricate nipple/areola during lactation. |
| Zeis | Sebaceous (eyelash) | Oil for eyelash flexibility. |
| Moll's | Sweat (eyelid) | Contribute to tear film; clear debris. |
Collective Importance
These glands maintain skin barrier integrity, thermoregulation, waste excretion, sensory protection, and reproductive nurture—essential for overall homeostasis.
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