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A and P Ch 5
Integumentary System
Question | Answer |
---|---|
which system consists of skin | the integumentary system |
many different tissues make it an | organ |
an organ is made up of | many different tissues |
Functions of the integumentary system include | protection, storage, insulation and cooling |
the outer layer of the skin is | the epidermis |
the inner layer of the skin is | the dermis |
stratum germinativum is which layer | inner most |
What is the definition of germinate? | To sprout |
Base or lowest part is what area | basal |
____ is to replace skin cells that slough off | mitosis |
As cells get further from capillaries they do what? | Die |
Touch receptors are what? | merkel cells |
peptides synthesize by living keratinocytes and secreted during inflammation | defensins |
outer most layer is | stratum corneum |
epidermis is a barrier to | micro organisms |
produce pigment protein myelin | melanoycytes |
increased melanin protects from UV light by___ | absorption |
____and elastin make the dermis strong | collagen |
uneven junction between dermis and epidermis | papillary |
hair and nail follicles sensory receptors and glands are what | structures within the dermis |
hair root contains cells called what | natrix |
eyelashes function is what? | to trap dust |
Heat loss that depends on evaporation is | sweating |
epidermal cells make the skin relatively waterproof is | keratin |
tissue that stores fat in the sub cutaneous tissue is | adipose |
glands of the skin that maintain body temperature are | eccrine |
receptors for pan are | free nerve endings |
vitamin d is formed in the skin when the skin is exposed to | ultra violet rays |
layer of the dermis which contains capillaries | papillary layer |
hair follicle that undergoes mitosis | the hair root |
epidermis that undergoes mitosis is the | stratum germinatibum |
protein that protects our skin from UV rays | melanin |
layer of the skin that prevents the entry of pathogens | stratum corneum |
type of burn that has painful blisters are | 2nd degree |
cells that increase secretion when stimulated by UV rays are | melenocites |
the secretion that prevents drying of the ear drum is | cerumen |
finger and toenail structures are know as what? | follicles |
the dermis is strong because of the presence of what? | collagen fibers |
potential risk of what is present with 3rd degree burns? | infection |
human hair functions to keep dust out of what? | Eyes and nose |
Adipose tissue is part of what? | Sub Cutaneous tissue |
____provide protection against bacteria | defensens |
Adipose tissue stores what? | Fat |
in the epidermis the surface layers of cells are what? | dead |
lengerhans cells originate in the ____ | bone marrow |
make hair, skin, and eyes darker | melanocytes |
_____muscle stand hair up | erector pili |
finger nails and toe nails | are nail follicles |
protects the end of the digits | nails |
____provide information about the environment to the CNS | receptors |
merkel cells are in the | stratum germinativum |
encapsulated nerve endings receptors | touch and pressure |
free nerve endings detect | heat cold and pain |
glands are within the ___ | dermis |
glands are made up of what type of tissue | epithelial |
glands within the skin are what type of glands | exocrine |
sebaceous ducts secret | seben |
apocrine are located | axilla and pubic areas |
____is important in temperature regulation | the eccrine gland |
___increases blood flow to surface | vaso dilation |
____decreases blood flow to surfaces | vaso constriction |
blood vessels are regulated by what? | CNS |
Prolonged pressure causes lack of blood supply and leads to tissue death | decubitus ulcers |
subcutaneous tissue provides | cushion |
sub q tissue helps to regulate what? | temperature |
another function of the i system is | excretion of waste through sweat |
another function of the integumentry system | excreteion of waste though sweat |
outter layer of the skin is ________ | epidermis |
epidermis is made up of _____ | stratified squamis epithelium |
stratum corneum is made up of many layers of _____ | dead cells |
protein of the stratum cornium is_______ | keratin |
______ sweat glands maintain body temp | eccrine |
produced in follicals in the scalp | subcutainious |
____ covers the surface of the body | skin |
____ is tissue that connects the skin and the muscles | subcutainous |
______ protects the end of the finger | nail |
small arteries | arterioles |
_____ detects changes in the enviroment | recepters |
______ produces melanin | mellonocyte |
statum _____ produces new epidermal cells | oerminativum |
______ glan secretes cerumen | ceruminoys |
____ decreases blood flow though arterioles | vasoconstriction |
_____ Increases blood flow though arterioles | vasodialation |
gland that secreates sebum | sebaceous |
inner layer of the skin | dermis |
skin that is charded and maynot be painful at first | third degree burn |
skin is painful but not blistered | first degree burn |
skin is painfull an blistered | second degree burn |
cells that produce collegen and elastin | fibroblast |
protein that gives dremis its strenth | collegen fibers |
protein that gives dermis elasticty | elastin fibers |
mitosis at the root produces the hair shaft | hair follicals |
mitosis at the root produces the nail | nail follicals |
produces a lipid substance called sebum | sebacus gland |
produces their secreation durring exercise or in warm enviroment | eccrine sweat glands |
secretion durring times of stress or emotion | apocrine sweat glands |
produce cereum or ear wax | ceruminous glands |
provide information abot the outside enviroment | recepters |
merkel cells are found in the _____ | stratum |