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papillary region
the top layer of the dermis composed of connective tissue and the dermal papillae
reticular region
Deeper layer of the dermis that supplies the skin with oxygen and nutrients
sebum
oily substance secreted by sebaceous glands
hair follicle
tube within your skin from which each hair grows
lunula
whitish, half-moon shape at the base of the nail; part of the nail matrix
cortex (hair)
middle layer of the hair shaft that provides strength; comprises most of the hair mass; give hair its color
medulla (hair)
the core of hair that gives it flexibility; appears as a canal in the middle of the shaft
cuticle (hair)
outermost layer, consists of a single layer of thin, flat cells that are the most heavily keratinized
root hair plexus
group of nerve fiber endings that allow for touch sensation of the hair
arrector pili muscle
smooth muscle connecting to the hair follicle that contracts to erect the hair regulating body temperature
neutrophil
white blood cell that helps fight infections
macrophage
white blood cell that kills and engulfs other microorganisms and dead cells Â
apocrine glands
sweat glands that produce odorous sweatÂ
eccrine glands
sweat glands that produce watery sweat
hemostasis
the stopping of blood flow usually at the site of a wound
inflammation
swelling of an area due to an increase in blood flow intended to fight and heal an injury
proliferation
rebuilding of new tissue causing a cleaned wound to contract
maturation
final phase of wound healing, collagen fibers are broken down and remodeled into scar tissue
granulation tissue
connective tissue with disorganized collagen fibers in the extracellular matrix
laceration
cut (can be deep or superficial)
Note
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