Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
Human, 10% formalin, H. & E., 50 x.
The structure of skin varies in different regions of the body. For comparison of scalp skin with other sites, examine Plates 135 and 138.
Epidermis: Stratified squamous keratinized epithelium.
Hair: The free end of the hair shaft is seen projecting from the skin.
Sebaceous gland: Holocrine variety of glands, in which cells are lost along with their secretion product. Closely applied to hair follicles into which they drain. The ducts are composed of a stratified squamous epithelium. Some sebaceous glands around the mouth and in the genital region are not associated with hair; their ducts open directly onto the surface of the skin.
Hair follicle: Surrounds the hair shaft. Composed of an inner epidermal layer and outer connective tissue sheath.
Fat cells: Located in the hypodermis.
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