Integumentary System Flashcards
Most visible Organ observe by clinician in the initial survey or data gathering, thus supporting the general survey.
Skin
What are the 5 standard areas for a comprehensive skin assessment?
temperature, turgor, intact skin, color and moisture
What are the major components of the integumentary system?
skin, hair and nails
It is the largest Organ of the body.
Skin
How much does the skin weigh and surface area?
9lbs, about 15 to 20ft in adults
What is the structure of the skin?
Sratified
What are the layers of the skin?
Epidermal, dermal, subcutaneous layer
This gland of the dermal layer release secretions to lubricate the skin and regulate temperature.
Cutaneous glands
Hair and nails are composed of _______ cells
keratinized
These are hardened scleroprotein that is insoluble in water.
keratin/keratinized cells
Layer of the skin that produced keratinized cells which gives the epidermis it’s such protective qualities including hair, nails dental enamel and horny tissues
Stratum basale (germinativum)
Vitamin D is synthesized through.
7-dehydrocholsterol
It is the outermost portion of the skin were exposure to frition is greatest such as on the finger tips, palms and soles of the feet.
Epidermis
The epidermis regenerates from stem cells in the _______ layer that grow towards the ______
basale layer to corneum
True or false.
Epidermis is devoid of blood supply. It derives its nutrition from the underlying dermis.
True
What are the 5 layers of epidermis from top to bottom?
stratum corneum
stratum lucidum
stratum granulosum
stratum spinosum
stratum basale
Only found in the palms and soles.
stratum lucidum
Also called as germinativum
stratum basale
Also called as the horny layer
stratum corneum
What is the other term of shedding
Desquamation
How long does it take for a Complete turnover of cells to occur?
3 to 4 weeks
Is composed of columnar shape cells that rest on the basement membrane.
stratum basale
Layer where mitosis occurs and keratinized cells forms?
stratum basale
What layer creates pigment producing melanocyte?
stratum basale
Brown pigment.
melanin
Yellow-Orange pigment tones.
carotene
Red purple tones
vascular bed
This can be found inside the melanocytes That increase the melanin production when stimulated by sunlight and hormone.
melanosome
It filters violet light.
melanocytes(melanin)
True or false
more melanin results to darker skin colour.
True
Is the ability of the skin to reflect light?
Tyndall effect
Is a richly vascular connective tissue layer just below the epidermis.
dermis
another term for dermis
corium
What are the 2 types of fibres that consist the dermis?
collagen and elstic fibers
This fibre gives the skin its toughness and enables it to resist tearing
collagen
This fibre gives the skin its strength and elasticity.
elastic fibers
Connective tissue that stores approximately half of the body’s fat cells.
subcutaneous tissue
The other terms for subcutaneous tissue.
hypodermis or superficial fascia
It attach the skin to the underlying bones and cushions the body against trauma, insulates the body from heat loss and stores fat for energy.
Subcutaneous tissue/hypodermis/superfical fascia
Our bodies major source of tissue histamine and trigger the body’s reaction to allergens
mast cells
What are the different skin appendages?
hair, nails and glands
are glands formed in the stratum basale and pushed deep into the dermis.
Cutaneous glands
Release their secretions through ducts onto the skin surface.
Cutaneous glands
What is the other term for sweat glands.
sudoriferous glands
What are the 2 types of sweat glands?
eccrine and apocrine
These glands are more numerous and widely distributed they produce a clear perspiration mostly made up of water and salts which they release into the funnel shaped pores at the skin surface.
Eccrine glands
Found primarily in the axillary nipples navel and anogenital regions. Dormant until the onset of puberty and situations occurs during emotional stress and sexual stimulation.
Apocrine gland
What is the other term for apocrine gland?
odoriferous gland
They are distributed over most of the body except the palms of hands and soles of the feet.
Oil gland
Another term for oil gland.
Sebaceous gland
Most prevalent in the scalp forehead nose and chin.They produce sebum an oily secretion composed of fat and keratin that is usually released into her follicles.
Oil gland
It’s a thin flexible elongated fibre composed of dead keratin cells that grow out in a columnar fashion.
Hair
True or false.
Hair is derived from the epidermis but grows its roots into the dermis.
True
What are the two types of hair?
vellus hair and terminal hair
Fine, short strand grows over the entire body except for the margins of the lips the nipples, the palms of the hands, soles of the feet and part of the external genitals.
Vellus hair
It enhances tactile sensation and sensory perception.
vellus hair
Found on the eyebrows and scalp and usually darker, coarser and longer. Puberty hormones signal the growth of hair in the axilla will pubic region and legs of both sexes and on the face and chest of most males
terminal hair
Are thin, hard plates of keratinized epidermal cells that shield the distal ends of the fingers and toes.
NAils
Is the moon shaped cross and cold of the nail?
lunula
Is the fold of epidermal skin protecting their roots and sides of each nail.
cuticle/eponychium
The sense of touch is also known as ______, which is mediated by somatosensory system.
somatic sense or tactile perception
A network of neurons concerned with sensory Information from the skin.
exteroceptors
Joints andnd muscles.
Proprioceptors
internal organs
iteroceptors
Specialized receptors responsible for the sense of touch.
mechanoreceptors
What are the 4 main types of cutaneous mechanoreceptors?
Pacinian coruscles
Meissner’s corpuscles
Merkel’s discs
Krausse corpusclwe
Riffini endings
For deep pressure and vibrations.
Pacinain corpucles
For discriminative low-frequency vibrations.
Meissners’s corpuscles
For light touch.
Merkel’s discs
For cold Sensation.
Krausse
For warmth stretch movement and finger portion.
Riffini endings
Another term for corporis
ringworm
Other term for cruris
jock-itcch
Another term for pedis
Athlete’s foot
Another term for keratosis pilaris
chicken skin
What is the most common form of cancer in the philippines?
Basal cell carcinoma
Occurs less often and is the second most common form of skin cancer it affects dark skinned individuals and is seen in covered areas like the legs and feet.
Squamous cell cancer
Accounts for less than 2% of skin cancer. It is the most aggressive and deadliest.
Melanoma
True or false.
Tenting is normal in olde adults
True
What is creases?
skin folds
erythema
redness
ecchymosis
bruising