{"id":1808,"date":"2014-10-23T21:49:17","date_gmt":"2014-10-23T21:49:17","guid":{"rendered":"https:\/\/courses.candelalearning.com\/apvccs\/?post_type=chapter&p=1808"},"modified":"2014-12-01T20:02:16","modified_gmt":"2014-12-01T20:02:16","slug":"glossary-the-integumentary-system","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/sjcd-austincc-ap1\/chapter\/glossary-the-integumentary-system\/","title":{"raw":"Glossary: The Integumentary System","rendered":"Glossary: The Integumentary System"},"content":{"raw":"
<\/div>\r\n
acne<\/dt>
skin condition due to infected sebaceous glands<\/dd>
albinism<\/dt>
genetic disorder that affects the skin, in which there is no melanin production<\/dd>
anagen<\/dt>
active phase of the hair growth cycle<\/dd>
apocrine sweat gland<\/dt>
type of sweat gland that is associated with hair follicles in the armpits and genital regions<\/dd>
arrector pili<\/dt>
smooth muscle that is activated in response to external stimuli that pull on hair follicles and make the hair \u201cstand up\u201d<\/dd>
basal cell carcinoma<\/dt>
cancer that originates from basal cells in the epidermis of the skin<\/dd>
basal cell<\/dt>
type of stem cell found in the stratum basale and in the hair matrix that continually undergoes cell division, producing the keratinocytes of the epidermis<\/dd>
bedsore<\/dt>
sore on the skin that develops when regions of the body start necrotizing due to constant pressure and lack of blood supply; also called decubitis ulcers<\/dd>
callus<\/dt>
thickened area of skin that arises due to constant abrasion<\/dd>
catagen<\/dt>
transitional phase marking the end of the anagen phase of the hair growth cycle<\/dd>
corn<\/dt>
type of callus that is named for its shape and the elliptical motion of the abrasive force<\/dd>
cortex<\/dt>
in hair, the second or middle layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb<\/dd>
cuticle<\/dt>
in hair, the outermost layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb<\/dd>
dermal papilla<\/dt>
(plural = dermal papillae) extension of the papillary layer of the dermis that increases surface contact between the epidermis and dermis<\/dd>
dermis<\/dt>
layer of skin between the epidermis and hypodermis, composed mainly of connective tissue and containing blood vessels, hair follicles, sweat glands, and other structures<\/dd>
desmosome<\/dt>
structure that forms an impermeable junction between cells<\/dd>
eccrine sweat gland<\/dt>
type of sweat gland that is common throughout the skin surface; it produces a hypotonic sweat for thermoregulation<\/dd>
eczema<\/dt>
skin condition due to an allergic reaction, which resembles a rash<\/dd>
elastin fibers<\/dt>
fibers made of the protein elastin that increase the elasticity of the dermis<\/dd>
eleiden<\/dt>
clear protein-bound lipid found in the stratum lucidum that is derived from keratohyalin and helps to prevent water loss<\/dd>
epidermis<\/dt>
outermost tissue layer of the skin<\/dd>
eponychium<\/dt>
nail fold that meets the proximal end of the nail body, also called the cuticle<\/dd>
external root sheath<\/dt>
outer layer of the hair follicle that is an extension of the epidermis, which encloses the hair root<\/dd>
first-degree burn<\/dt>
superficial burn that injures only the epidermis<\/dd>
fourth-degree burn<\/dt>
burn in which full thickness of the skin and underlying muscle and bone is damaged<\/dd>
glassy membrane<\/dt>
layer of connective tissue that surrounds the base of the hair follicle, connecting it to the dermis<\/dd>
hair bulb<\/dt>
structure at the base of the hair root that surrounds the dermal papilla<\/dd>
hair follicle<\/dt>
cavity or sac from which hair originates<\/dd>
hair matrix<\/dt>
layer of basal cells from which a strand of hair grows<\/dd>
hair papilla<\/dt>
mass of connective tissue, blood capillaries, and nerve endings at the base of the hair follicle<\/dd>
hair root<\/dt>
part of hair that is below the epidermis anchored to the follicle<\/dd>
hair shaft<\/dt>
part of hair that is above the epidermis but is not anchored to the follicle<\/dd>
hair<\/dt>
keratinous filament growing out of the epidermis<\/dd>
hypodermis<\/dt>
connective tissue connecting the integument to the underlying bone and muscle<\/dd>
hyponychium<\/dt>
thickened layer of stratum corneum that lies below the free edge of the nail<\/dd>
integumentary system<\/dt>
skin and its accessory structures<\/dd>
internal root sheath<\/dt>
innermost layer of keratinocytes in the hair follicle that surround the hair root up to the hair shaft<\/dd>
keloid<\/dt>
type of scar that has layers raised above the skin surface<\/dd>
keratin<\/dt>
type of structural protein that gives skin, hair, and nails its hard, water-resistant properties<\/dd>
keratinocyte<\/dt>
cell that produces keratin and is the most predominant type of cell found in the epidermis<\/dd>
keratohyalin<\/dt>
granulated protein found in the stratum granulosum<\/dd>
Langerhans cell<\/dt>
specialized dendritic cell found in the stratum spinosum that functions as a macrophage<\/dd>
lunula<\/dt>
basal part of the nail body that consists of a crescent-shaped layer of thick epithelium<\/dd>
Meissner corpuscle<\/dt>
(also, tactile corpuscle) receptor in the skin that responds to light touch<\/dd>
Merkel cell<\/dt>
receptor cell in the stratum basale of the epidermis that responds to the sense of touch<\/dd>
medulla<\/dt>
in hair, the innermost layer of keratinocytes originating from the hair matrix<\/dd>
melanin<\/dt>
pigment that determines the color of hair and skin<\/dd>
melanocyte<\/dt>
cell found in the stratum basale of the epidermis that produces the pigment melanin<\/dd>
melanoma<\/dt>
type of skin cancer that originates from the melanocytes of the skin<\/dd>
melanosome<\/dt>
intercellular vesicle that transfers melanin from melanocytes into keratinocytes of the epidermis<\/dd>
metastasis<\/dt>
spread of cancer cells from a source to other parts of the body<\/dd>
nail bed<\/dt>
layer of epidermis upon which the nail body forms<\/dd>
nail body<\/dt>
main keratinous plate that forms the nail<\/dd>
nail cuticle<\/dt>
fold of epithelium that extends over the nail bed, also called the eponychium<\/dd>
nail fold<\/dt>
fold of epithelium at that extend over the sides of the nail body, holding it in place<\/dd>
nail root<\/dt>
part of the nail that is lodged deep in the epidermis from which the nail grows<\/dd>
Pacinian corpuscle<\/dt>
(also, lamellated corpuscle) receptor in the skin that responds to vibration<\/dd>
papillary layer<\/dt>
superficial layer of the dermis, made of loose, areolar connective tissue<\/dd>
reticular layer<\/dt>
deeper layer of the dermis; it has a reticulated appearance due to the presence of abundant collagen and elastin fibers<\/dd>
rickets<\/dt>
disease in children caused by vitamin D deficiency, which leads to the weakening of bones<\/dd>
scar<\/dt>
collagen-rich skin formed after the process of wound healing that is different from normal skin<\/dd>
sebaceous gland<\/dt>
type of oil gland found in the dermis all over the body and helps to lubricate and waterproof the skin and hair by secreting sebum<\/dd>
sebum<\/dt>
oily substance that is composed of a mixture of lipids that lubricates the skin and hair<\/dd>
second-degree burn<\/dt>
partial-thickness burn that injures the epidermis and a portion of the dermis<\/dd>
squamous cell carcinoma<\/dt>
type of skin cancer that originates from the stratum spinosum of the epidermis<\/dd>
stratum basale<\/dt>
deepest layer of the epidermis, made of epidermal stem cells<\/dd>
stratum corneum<\/dt>
most superficial layer of the epidermis<\/dd>
stratum granulosum<\/dt>
layer of the epidermis superficial to the stratum spinosum<\/dd>
stratum lucidum<\/dt>
layer of the epidermis between the stratum granulosum and stratum corneum, found only in thick skin covering the palms, soles of the feet, and digits<\/dd>
stratum spinosum<\/dt>
layer of the epidermis superficial to the stratum basale, characterized by the presence of desmosomes<\/dd>
stretch mark<\/dt>
mark formed on the skin due to a sudden growth spurt and expansion of the dermis beyond its elastic limits<\/dd>
sudoriferous gland<\/dt>
sweat gland<\/dd>
telogen<\/dt>
resting phase of the hair growth cycle initiated with catagen and terminated by the beginning of a new anagen phase of hair growth<\/dd>
third-degree burn<\/dt>
burn that penetrates and destroys the full thickness of the skin (epidermis and dermis)<\/dd>
vitamin D<\/dt>
compound that aids absorption of calcium and phosphates in the intestine to improve bone health<\/dd>
vitiligo<\/dt>
skin condition in which melanocytes in certain areas lose the ability to produce melanin, possibly due an autoimmune reaction that leads to loss of color in patches<\/dd><\/dl>","rendered":"
<\/div>\n
\n
acne<\/dt>\n
skin condition due to infected sebaceous glands<\/dd>\n
albinism<\/dt>\n
genetic disorder that affects the skin, in which there is no melanin production<\/dd>\n
anagen<\/dt>\n
active phase of the hair growth cycle<\/dd>\n
apocrine sweat gland<\/dt>\n
type of sweat gland that is associated with hair follicles in the armpits and genital regions<\/dd>\n
arrector pili<\/dt>\n
smooth muscle that is activated in response to external stimuli that pull on hair follicles and make the hair \u201cstand up\u201d<\/dd>\n
basal cell carcinoma<\/dt>\n
cancer that originates from basal cells in the epidermis of the skin<\/dd>\n
basal cell<\/dt>\n
type of stem cell found in the stratum basale and in the hair matrix that continually undergoes cell division, producing the keratinocytes of the epidermis<\/dd>\n
bedsore<\/dt>\n
sore on the skin that develops when regions of the body start necrotizing due to constant pressure and lack of blood supply; also called decubitis ulcers<\/dd>\n
callus<\/dt>\n
thickened area of skin that arises due to constant abrasion<\/dd>\n
catagen<\/dt>\n
transitional phase marking the end of the anagen phase of the hair growth cycle<\/dd>\n
corn<\/dt>\n
type of callus that is named for its shape and the elliptical motion of the abrasive force<\/dd>\n
cortex<\/dt>\n
in hair, the second or middle layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb<\/dd>\n
cuticle<\/dt>\n
in hair, the outermost layer of keratinocytes originating from the hair matrix, as seen in a cross-section of the hair bulb<\/dd>\n
dermal papilla<\/dt>\n
(plural = dermal papillae) extension of the papillary layer of the dermis that increases surface contact between the epidermis and dermis<\/dd>\n
dermis<\/dt>\n
layer of skin between the epidermis and hypodermis, composed mainly of connective tissue and containing blood vessels, hair follicles, sweat glands, and other structures<\/dd>\n
desmosome<\/dt>\n
structure that forms an impermeable junction between cells<\/dd>\n
eccrine sweat gland<\/dt>\n
type of sweat gland that is common throughout the skin surface; it produces a hypotonic sweat for thermoregulation<\/dd>\n
eczema<\/dt>\n
skin condition due to an allergic reaction, which resembles a rash<\/dd>\n
elastin fibers<\/dt>\n
fibers made of the protein elastin that increase the elasticity of the dermis<\/dd>\n
eleiden<\/dt>\n
clear protein-bound lipid found in the stratum lucidum that is derived from keratohyalin and helps to prevent water loss<\/dd>\n
epidermis<\/dt>\n
outermost tissue layer of the skin<\/dd>\n
eponychium<\/dt>\n
nail fold that meets the proximal end of the nail body, also called the cuticle<\/dd>\n
external root sheath<\/dt>\n
outer layer of the hair follicle that is an extension of the epidermis, which encloses the hair root<\/dd>\n
first-degree burn<\/dt>\n
superficial burn that injures only the epidermis<\/dd>\n
fourth-degree burn<\/dt>\n
burn in which full thickness of the skin and underlying muscle and bone is damaged<\/dd>\n
glassy membrane<\/dt>\n
layer of connective tissue that surrounds the base of the hair follicle, connecting it to the dermis<\/dd>\n
hair bulb<\/dt>\n
structure at the base of the hair root that surrounds the dermal papilla<\/dd>\n
hair follicle<\/dt>\n
cavity or sac from which hair originates<\/dd>\n
hair matrix<\/dt>\n
layer of basal cells from which a strand of hair grows<\/dd>\n
hair papilla<\/dt>\n
mass of connective tissue, blood capillaries, and nerve endings at the base of the hair follicle<\/dd>\n
hair root<\/dt>\n
part of hair that is below the epidermis anchored to the follicle<\/dd>\n
hair shaft<\/dt>\n
part of hair that is above the epidermis but is not anchored to the follicle<\/dd>\n
hair<\/dt>\n
keratinous filament growing out of the epidermis<\/dd>\n
hypodermis<\/dt>\n
connective tissue connecting the integument to the underlying bone and muscle<\/dd>\n
hyponychium<\/dt>\n
thickened layer of stratum corneum that lies below the free edge of the nail<\/dd>\n
integumentary system<\/dt>\n
skin and its accessory structures<\/dd>\n
internal root sheath<\/dt>\n
innermost layer of keratinocytes in the hair follicle that surround the hair root up to the hair shaft<\/dd>\n
keloid<\/dt>\n
type of scar that has layers raised above the skin surface<\/dd>\n
keratin<\/dt>\n
type of structural protein that gives skin, hair, and nails its hard, water-resistant properties<\/dd>\n
keratinocyte<\/dt>\n
cell that produces keratin and is the most predominant type of cell found in the epidermis<\/dd>\n
keratohyalin<\/dt>\n
granulated protein found in the stratum granulosum<\/dd>\n
Langerhans cell<\/dt>\n
specialized dendritic cell found in the stratum spinosum that functions as a macrophage<\/dd>\n
lunula<\/dt>\n
basal part of the nail body that consists of a crescent-shaped layer of thick epithelium<\/dd>\n
Meissner corpuscle<\/dt>\n
(also, tactile corpuscle) receptor in the skin that responds to light touch<\/dd>\n
Merkel cell<\/dt>\n
receptor cell in the stratum basale of the epidermis that responds to the sense of touch<\/dd>\n
medulla<\/dt>\n
in hair, the innermost layer of keratinocytes originating from the hair matrix<\/dd>\n
melanin<\/dt>\n
pigment that determines the color of hair and skin<\/dd>\n
melanocyte<\/dt>\n
cell found in the stratum basale of the epidermis that produces the pigment melanin<\/dd>\n
melanoma<\/dt>\n
type of skin cancer that originates from the melanocytes of the skin<\/dd>\n
melanosome<\/dt>\n
intercellular vesicle that transfers melanin from melanocytes into keratinocytes of the epidermis<\/dd>\n
metastasis<\/dt>\n
spread of cancer cells from a source to other parts of the body<\/dd>\n
nail bed<\/dt>\n
layer of epidermis upon which the nail body forms<\/dd>\n
nail body<\/dt>\n
main keratinous plate that forms the nail<\/dd>\n
nail cuticle<\/dt>\n
fold of epithelium that extends over the nail bed, also called the eponychium<\/dd>\n
nail fold<\/dt>\n
fold of epithelium at that extend over the sides of the nail body, holding it in place<\/dd>\n
nail root<\/dt>\n
part of the nail that is lodged deep in the epidermis from which the nail grows<\/dd>\n
Pacinian corpuscle<\/dt>\n
(also, lamellated corpuscle) receptor in the skin that responds to vibration<\/dd>\n
papillary layer<\/dt>\n
superficial layer of the dermis, made of loose, areolar connective tissue<\/dd>\n
reticular layer<\/dt>\n
deeper layer of the dermis; it has a reticulated appearance due to the presence of abundant collagen and elastin fibers<\/dd>\n
rickets<\/dt>\n
disease in children caused by vitamin D deficiency, which leads to the weakening of bones<\/dd>\n
scar<\/dt>\n
collagen-rich skin formed after the process of wound healing that is different from normal skin<\/dd>\n
sebaceous gland<\/dt>\n
type of oil gland found in the dermis all over the body and helps to lubricate and waterproof the skin and hair by secreting sebum<\/dd>\n
sebum<\/dt>\n
oily substance that is composed of a mixture of lipids that lubricates the skin and hair<\/dd>\n
second-degree burn<\/dt>\n
partial-thickness burn that injures the epidermis and a portion of the dermis<\/dd>\n
squamous cell carcinoma<\/dt>\n
type of skin cancer that originates from the stratum spinosum of the epidermis<\/dd>\n
stratum basale<\/dt>\n
deepest layer of the epidermis, made of epidermal stem cells<\/dd>\n
stratum corneum<\/dt>\n
most superficial layer of the epidermis<\/dd>\n
stratum granulosum<\/dt>\n
layer of the epidermis superficial to the stratum spinosum<\/dd>\n
stratum lucidum<\/dt>\n
layer of the epidermis between the stratum granulosum and stratum corneum, found only in thick skin covering the palms, soles of the feet, and digits<\/dd>\n
stratum spinosum<\/dt>\n
layer of the epidermis superficial to the stratum basale, characterized by the presence of desmosomes<\/dd>\n
stretch mark<\/dt>\n
mark formed on the skin due to a sudden growth spurt and expansion of the dermis beyond its elastic limits<\/dd>\n
sudoriferous gland<\/dt>\n
sweat gland<\/dd>\n
telogen<\/dt>\n
resting phase of the hair growth cycle initiated with catagen and terminated by the beginning of a new anagen phase of hair growth<\/dd>\n
third-degree burn<\/dt>\n
burn that penetrates and destroys the full thickness of the skin (epidermis and dermis)<\/dd>\n
vitamin D<\/dt>\n
compound that aids absorption of calcium and phosphates in the intestine to improve bone health<\/dd>\n
vitiligo<\/dt>\n
skin condition in which melanocytes in certain areas lose the ability to produce melanin, possibly due an autoimmune reaction that leads to loss of color in patches<\/dd>\n<\/dl>\n\n\t\t\t
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Candela Citations<\/h3>\n\t\t\t\t\t
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