💀anatomy and physiology i review

Sebum

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Sebum is an oily substance secreted by sebaceous glands located in the dermis of the skin. It helps to lubricate and protect the skin and hair, keeping them soft and preventing them from drying out.

AP course connection

Topic 5.3: 5.3 Functions of the Integumentary System

Unit 5

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