front 1 What is the largest organ of the body | back 1 skin |
front 2 what is the surface area of skin in an adult | back 2 2 square meters |
front 3 what are the five things that make up the integumentary system | back 3 skin, hair, nails, smooth muscle of skin, glands of skin |
front 4 what are the function of the skin | back 4 protection, excretion, temperature regulation, production of vitamin d, sensation, prevention of dehydration, storage of fat |
front 5 what does the skin protect from | back 5 microorganisms, chemicals, ultraviolet light, injury |
front 6 what does the skin excrete | back 6 sweat and oil |
front 7 what does sweat consists of | back 7 excess water and waste |
front 8 how does temperature regulation happen | back 8 insulation, sweating, and vasoconstriction/vasodilation |
front 9 what tissue does the job of insulation | back 9 fat-adipose tissue |
front 10 what kind of sensation does the skin feel | back 10 temperature, touch, pain |
front 11 what are the layers of the skin | back 11 epidermis, dermis and hypodermis |
front 12 the outermost layer of the skin is called | back 12 the epidermis |
front 13 Name the five stratas of the epidermis | back 13 stratum basale, stratum spinsoum, stratum granulosum, stratum lucidum, stratum corneum |
front 14 what is the deepest layer of the strata | back 14 stratum basale (stratum germinativum) |
front 15 which stratum is present only in thick skin | back 15 stratum lucidum |
front 16 which stratum is the top layers of dead cells | back 16 statum coreneum |
front 17 each stratum consists of many layers of cell
| back 17 true |
front 18 what kind of tissue is the epidermis | back 18 stratified squamous non-ciliated epithelium |
front 19 what are the four types of cells of the epidermis | back 19 keratinocytes, melanocytes, Langerhans, merkel |
front 20 what do melanocytes do | back 20 produce a pigment called melanin |
front 21 what does melanin do | back 21 impart skin color |
front 22 what is melanin dependent on | back 22 exposure to sunlight, race and ethnicity, family history and genetics, hormones, pregnancy |
front 23 which cells produce melanin | back 23 melanocytes |
front 24 which cells impart skin color | back 24 melanin |
front 25 which cells help in immune function | back 25 Langerhans |
front 26 which cells are responsible for perception of sensation | back 26 merkel |
front 27 where are merkel cells located | back 27 epidermis |
front 28 where are Langerhans cell located | back 28 epidermis |
front 29 where are melanocytes located | back 29 epidermis |
front 30 which layer of skin does not have a blood supply | back 30 epidermis |
front 31 how does the epidermis receive oxygen and nutrition | back 31 by the process of osmosis and diffusion. |
front 32 what type of cells produce and store keratin | back 32 keratinocytes |
front 33 where are keratinocytes located | back 33 epidermis |
front 34 skin layer made of up connective tissue | back 34 connective tissue |
front 35 which skin layer has a rich supply of nerves, blood vessels and lymphatics | back 35 dermis |
front 36 what are the two layer of the dermis | back 36 papillary and reticular |
front 37 what is the outer layer of the dermis called | back 37 papillary |
front 38 what kind of tissue is the papillary layer made from | back 38 connective |
front 39 which layer indents into the epidermis leading to dermal papillae | back 39 papillary layer |
front 40 what helps to form prints | back 40 dermal papillae |
front 41 what areas of the body leave a good print | back 41 fingertips, palms, soles |
front 42 what is the deepest layer of the dermis called | back 42 reticular layer |
front 43 what kind of tissue does the reticular tissue contain | back 43 connective tissue |
front 44 which dermis layer has an abundance of collagen and elastic fiber | back 44 reticular layer |
front 45 which dermis layer is responsible for the sagging and wrinkling of skin | back 45 reticular layer |
front 46 what is the deepest layer of the skin | back 46 hypodermis |
front 47 what's another name for the hypodermis | back 47 subcutaneous tissue or superficial fascia |
front 48 which skin layer contains 50 percent body fat | back 48 hypodermis |
front 49 which layers helps to anchor skin to the deeper tissue | back 49 hypodermis |
front 50 name the effects of aging on the skin | back 50 blood flow to skin decreases
|
front 51 what is another name for hair | back 51 pili |
front 52 where is hair produced | back 52 in the hair follicles |
front 53 name the three parts of the hair | back 53 shaft-part we can see
|
front 54 which tow parts of the hair are enclosed in the hair follices | back 54 lower part of the root and the bulb |
front 55 What are the three concentric layers of keratinized cells | back 55 medulla, cortex, cuticle |
front 56 central core, large cells with air spaces, contains soft keratin, absent in fine hairs | back 56 medulla |
front 57 surronds the medulla
| back 57 cortex |
front 58 outmost layers
| back 58 cuticle |
front 59 What is the average rate of hair growth per day | back 59 .3 mm |
front 60 what is the type of hair that a baby is born with | back 60 lanugo |
front 61 describe lanugo | back 61 fine, short, non-pigmented |
front 62 what hair at birth turns into terminal hair | back 62 scalp, eyebrows and eye lashes |
front 63 what is the hair called that is thick long and pigmented | back 63 terminal |
front 64 at the birth the hair that is not terminal hair will turn into ______________ | back 64 vellus hair |
front 65 which hair is fine, medium and may or may not be pigmented | back 65 vellus hair |
front 66 at puberty the vellus hair changes into _______ and forms on the _________ | back 66 terminal and forms on the pubic, axillary, facial and body |
front 67 what do people with red hair have a lot in their hair | back 67 iron |
front 68 what do nails consist of | back 68 epidermis with a lot of hard keratin |
front 69 what is the average rate of hair growth | back 69 .5mm/day |
front 70 what actually forms the nail | back 70 the nail bed |
front 71 what muscle contracts in response to cold or fright and leads to goose bumps | back 71 arrector pili |
front 72 where is the arrector pili located | back 72 dermis |
front 73 what are the three four glands in the skin | back 73 sweat, eccrine, apocrine, sebaceous |
front 74 what is another name for the sweat glands | back 74 sudoriferous glands |
front 75 which gland is more numerous and present all over the body | back 75 eccrine |
front 76 which gland is in the palms, sole and forehead | back 76 eccrine |
front 77 simple coil tubular gland | back 77 eccrine |
front 78 which gland lies in the dermis | back 78 eccrine |
front 79 what is sweat made of | back 79 water, nacl, vit C, waste (urea, uric acid, ammonia) |
front 80 what is the approximate number of apocrine glands in our bodies | back 80 2000 |
front 81 where are the apocrine glands located | back 81 axillary and anogenital area |
front 82 what gland produces sweat that contains a high amount of proteins and fat (more thick or viscos) | back 82 apocrine |
front 83 which sweat gland leads to body odor | back 83 apocrine |
front 84 whats another name for the oil glands | back 84 sebaceous glands |
front 85 what are the places the sebaceous glands are not located | back 85 palms and soles |
front 86 which glands are simple branched alveolar glands | back 86 sebaceous |
front 87 which glands produce sebum | back 87 sebaceous |
front 88 which glands contain a fatty substances | back 88 sebaceous |
front 89 where do sebaceous glands secrete their fatty substance onto the skin | back 89 the hair follicle or directly onto the skin |
front 90 what is the function of sebum | back 90 lubricate the skin
|
front 91 where are ceruminous glands located | back 91 external auditory meatus |
front 92 what do ceruminous glands produce | back 92 cerumen (earwax) |
front 93 which glands produce milk | back 93 mammary glands |
front 94 which gland is part of the sweat gland | back 94 mammary |
front 95 ceruminous and mammary glands are what kind of glands | back 95 apocrine |