TY - CHAP M1 - Book, Section TI - Chapter 79. Biology of Sebaceous Glands A1 - Nelson, Amanda M. A1 - Thiboutot, Diane M. A2 - Goldsmith, Lowell A. A2 - Katz, Stephen I. A2 - Gilchrest, Barbara A. A2 - Paller, Amy S. A2 - Leffell, David J. A2 - Wolff, Klaus PY - 2012 T2 - Fitzpatrick's Dermatology in General Medicine, 8e AB - |PrintSebaceous Glands at a GlanceSebaceous glands are unilobular or multilobular structures that consist of acini connected to a common excretory duct and are usually associated with a hair follicle.Sebaceous glands vary considerably in size, even in the same individual and in the same anatomic area.The sebaceous glands exude lipids by disintegration of entire cells, a process known as holocrine secretion.Human sebum, as it leaves the sebaceous gland, contains squalene, cholesterol, cholesterol esters, wax esters, and triglycerides.Sebaceous glands are regulated by androgens and retinoids.Other factors, such as melanocortins, and peroxisome proliferator-activated receptors (PPARs), may regulate sebaceous gland activity as well. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/24 UR - accessmedicine.mhmedical.com/content.aspx?aid=56046827 ER -