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Chapter 3 vocab. 3.2

Chapter 3 vocab.3.2

TermDefinition
Dermis layer of skin between the epidermis and hypodermis; includes nerve endings, glands, and hair follicles
Epidermal dendritic cells skin cells that initiate a immune system response to the presence of foreign bacteria or viruses
Epidermis the outer layer of skin
Hypodermis the layer of skin beneath the dermis, which serves as a storage repository for fat
Integumentary system enveloping organ of the body that includes the epidermis, dermis, sudoriferous and sebaceous glands, and nails and hair
Keratin a tough protein found in the skin, hair, and nails
Keratinocytes cells within the epidermis that produce keratin
Melanin a pigment that protects the body against the harmful effects of ultraviolet ray damage from the sun
Melanocytes specialized cells in the skin that produce melanin
Merkel cells touch receptors in the skin
Papillary layer the outer layer of the dermis
Reticular layer the layer of skin superficial to the papillary layer
Sebaceous glands glands located all over the body that produce sebum
Sebum an oily substance that helps to keep the skin and hair soft
Stratum basale the deepest layer of the epidermis
Stratum corneum the outer layer of the epidermis
Stratum granulosum a layer of somewhat flattened cells lying just superficial to the stratum spinosum and inferior to the stratum lucidum
Stratum lucidum the clear layer of thick skin found only on the palms of the hands, fingers, soles of the feet and toes
Stratum spinosum the layer of cells in the epidermis superior to the stratum basale and inferior to the stratum granulosum
sudoriferous glands sweat glands that are distributed in the dermis over the entire body
Created by: Kiara Gonzalez
 

 



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