Term
1)protection
2)sensation
3)thermoregulation
4)metabolic functions |
|
Definition
| list the four main functions of skin |
|
|
Term
|
Definition
| what is the largest organ of the body and what percent body mass does it take up? |
|
|
Term
| epidermis, dermis, hypodermis (subcutis) |
|
Definition
| name the 3 layers of skin |
|
|
Term
| 1)UV, 2)mechanical, 3) chemical, & 4)thermal insult. 5) Prevents dehydration 6) Barrier to microbes |
|
Definition
| what does skin protect against? |
|
|
Term
skin
senses:
pressure
pain
and temperature |
|
Definition
| what is the largest sense organ in the body, what does it sense? |
|
|
Term
insulation via Sub Q fat
heat loss facilitated by sweat glands & dermal capillary network |
|
Definition
| how does skin thermoregulate? |
|
|
Term
energy stored in subQfat (triglycerides)
Vitamin D synth'd in skin with sunlight
maintains homeostasis
excretory fxn: sweating
immune defense |
|
Definition
| what are the metabolic functions of skin? |
|
|
Term
|
Definition
| consists of keratinized, stratified squamous epithelium |
|
|
Term
|
Definition
| normal epidermis cells called this |
|
|
Term
| thickness of EPIdermis, not all 3 layers |
|
Definition
| what does thick/thin skin depend on? |
|
|
Term
|
Definition
| what range can skin vary in thickness from? |
|
|
Term
| volar soles, and palmar surfaces |
|
Definition
| where is thick skin found |
|
|
Term
|
Definition
| does thick skin have hair? |
|
|
Term
|
Definition
| thick skin has a thick highly _____ layer |
|
|
Term
|
Definition
| most of the body is covered in _____(thick/thin) skin with _____ keratinized epidermis |
|
|
Term
|
Definition
| are there blood vessels in the epidermis or its basement membrane? |
|
|
Term
|
Definition
| are there blood vessels in the epidermis or its basement membrane? |
|
|
Term
| dermis (supplies the epidermis) & hypodermis |
|
Definition
| what layer are the blood vessels found in skin? |
|
|
Term
|
Definition
| layer of skin composed of dense irregular collagenous connective tissue interspersed with elastic fibers |
|
|
Term
|
Definition
| what type of collagen is found in the dermis |
|
|
Term
|
Definition
| progressive damage to elastic fibers in this layer(from sunlight) causes aging and loss of skin tone |
|
|
Term
|
Definition
| highly vascular layer of skin with many sensory receptors |
|
|
Term
| papillary layer, deep reticular layer |
|
Definition
| name the 2 layers of the dermis |
|
|
Term
|
Definition
| relatively thin layer that interdigitates with the epidermis corrugations increase surface area for attachement and prevent shear and mechanical abrasion |
|
|
Term
|
Definition
| epidermal projections into dermis |
|
|
Term
|
Definition
| dermal projections into the epidermis |
|
|
Term
|
Definition
| large dermal ridges in thick skin |
|
|
Term
|
Definition
| what is the name of the study of fingerprints? |
|
|
Term
|
Definition
| thicker and less cellular layer of dermis |
|
|
Term
| reticular layer of dermis |
|
Definition
| what layer of the skin contains hair follicles, sweat, and sebaceous glands? |
|
|
Term
|
Definition
| thick collagen bundles and elastin fibers in reticular layer form lines of tension called ____ |
|
|
Term
| incisions made parallel to the lines cut between the collagen bundles and leave less scarring when they heal |
|
Definition
| what is clinically significant about Langer's lines? |
|
|
Term
| subpapillary plexi, cutaneous plexi, subcutaneous plexi |
|
Definition
| name the 3 vascular plexi in skin |
|
|
Term
subpap-at junction or papillary and reticular dermis
cut-located at junction of reticular layer and hypodermis
sub Q-deep in hypodermis |
|
Definition
| where are the subpapillary plexi, cutaneous plexi, and subcutaneous plexi found? |
|
|
Term
| subcutaneous plexi, fingertips and ears |
|
Definition
| which vascular plexi of the skin is used in thermoregulation, and where in the body? |
|
|
Term
|
Definition
| thickened regions of smooth muscle in wall of arterioles surrounded by CT capsule |
|
|
Term
re-route blood from atrial to venous circulation by bypassing the capillary bed
=AV shunt |
|
Definition
| what do glomus bodies do? |
|
|
Term
|
Definition
| layer of loose, irregular CT and adipose |
|
|
Term
| subcutis, superficial fascia, panniculus adiposus |
|
Definition
| other names for the hypodermis |
|
|
Term
|
Definition
| how long does it take a skin cell to travel from the deep germinal layer, mature, and be sloughed off(desquamated)? |
|
|
Term
|
Definition
| what disease causes immature, irregular keratinocytes that mature in only 1 wk |
|
|
Term
| absence of a granular layer, abnormal keratohyaline and tonofibrils |
|
Definition
| in psoriasis, besides the lifespan of the skin cells, what is irregular about them? |
|
|
Term
|
Definition
| what shape are the cells of the stratum basale? |
|
|
Term
BM: hemidesmosomes
dermis: anchoring filaments and microfibrils |
|
Definition
| how is the stratum germinativum anchored to the basement membrane? the dermis? |
|
|
Term
| stratum basale/germinativum |
|
Definition
| mitotically dividing layer of skin cells bound to the basement membrane |
|
|
Term
|
Definition
| prickle cell layer, cells look spiny |
|
|
Term
|
Definition
| thickest layer of epidermis in thin skin |
|
|
Term
|
Definition
| polyhedral cells with prominent intercellular bridges(desmosomes), numerous cytoplasmic processes and lateral folding of the cell membrane to help anchor the cells tight |
|
|
Term
| cytokeratin, forms tonofilaments which aggregates into tonofibrils that anchor onto desmosomes |
|
Definition
| what is the predominant cell product of stratum spinosum, and what does it form? |
|
|
Term
|
Definition
| characterized by cells containing basphillic keratohyaline granules |
|
|
Term
|
Definition
| non-membrane bound electron dense granules |
|
|
Term
| keratinohyaline granules and tonofibrils |
|
Definition
| Keratinization of cells represents an interaction between _____ and ______ |
|
|
Term
| rupture of lysosomal granules |
|
Definition
|
|
Term
| rupture of keratohyalin granules and polymerization of their contents |
|
Definition
| in keratinization, what does lysosomal granules rupturing cause? |
|
|
Term
| a matrix of tonofibrils of cytokeratin forms (rebar) which creates an amorphous mass of mature keratin |
|
Definition
| in keratinization, what happens after the keratinohyaline granules rupture? |
|
|
Term
| when all the other junk ruptures, so do the lysosymes and the keratinocytes die and lose their nuclei |
|
Definition
| when mature keratin is made, what happens to the cells that made it? |
|
|
Term
|
Definition
| contain glyoclipids, provide waterproofing coat for skin cells |
|
|
Term
| granular layer, yes membrane bound granules |
|
Definition
| where are lamellar bodies found? are the membrane bound? |
|
|
Term
|
Definition
| cells of the granular layer mature to form a mature layer of keratinized cells with a ______ coating on the surface of the epidermis |
|
|
Term
|
Definition
| layer only present in thick skin |
|
|
Term
|
Definition
| homogenous, COMPACT layer of enucleate cells |
|
|
Term
| between stratum germinativum and stratum corneum |
|
Definition
| where is the stratum lucidum found |
|
|
Term
|
Definition
| thickest layer of epidermis in thick skin |
|
|
Term
|
Definition
| most superficial layer of skin, contains flattened, enucleate dead cell remnants, called squames |
|
|
Term
|
Definition
| what is the stratum corneum composed of primarily |
|
|
Term
|
Definition
| acts as a hydrophobic barrier and prevents dessication of the top layer of skin |
|
|
Term
|
Definition
| another name for exfoliation |
|
|
Term
|
Definition
| component of dandruff, house dust and bath tub rings |
|
|
Term
| exfoliated cervical epitheilal cells ->done to detect cervical cancer |
|
Definition
| what is examined in pap smears? |
|
|
Term
neuroectodermal (neural crest cells)
-dendritic cells present in the epidermis |
|
Definition
| what is the origin of melanocytes |
|
|
Term
|
Definition
| where are melanocytes found? |
|
|
Term
| Morrow said in lab there might be 1 every 10 dermal papilla, relatively few |
|
Definition
| how common are melanocytes |
|
|
Term
|
Definition
| where do the extensive cytoplasmic processes of melanocytes extend into? |
|
|
Term
|
Definition
| responsible for production of melanin-skin pigment |
|
|
Term
| its released from the melanocytes (so they look pale) and taken up by surrounding epidermal cells |
|
Definition
| what happens to melanin once it is made? |
|
|
Term
|
Definition
| what are the 2 types of melanin? |
|
|
Term
|
Definition
| brown/black pigment found in dark haired individuals |
|
|
Term
|
Definition
| red to yellow pigment found in individuals with red or blonde hair |
|
|
Term
no, we just have variable rates of production and degradation by lysosomal enzymes
ex: light skinned produces less pigment or digest pigment faster.
dark skinned people produce and retain more pigment longer |
|
Definition
| do black people have more melanocytes than white people? explain. |
|
|
Term
|
Definition
| autoimmune disease that causes destruction of melanocytes leading to depigmentation |
|
|
Term
| MSH (melanocyte stimulating hormone) a petuitary hormone |
|
Definition
| what controls melanin synthesis |
|
|
Term
|
Definition
| what a.a. is the precursor melanin |
|
|
Term
|
Definition
| tyrosine is oxidized to _______ by tyrosinase located in what organelles? |
|
|
Term
|
Definition
| where is DOPA converted to melanin |
|
|
Term
|
Definition
| in albanism, what enzyme is lacking? |
|
|
Term
| yes but they do not mature |
|
Definition
| do premelanosomes form in albinos? |
|
|
Term
|
Definition
| what can be used as a marker to differentiate melanocytes from keratinocytes containing phagocytosed melanin |
|
|
Term
|
Definition
| what is used in distunguishing tumor types (melanoma vs squamous cell carcinoma) |
|
|
Term
1) dna sunscreen, inhibits mutagenesis
2) uv exposure stimulates melanin synth =tanning
3) necessary for normal neural development |
|
Definition
| what are the 3 reasons melanin is made? |
|
|
Term
| they are deaf, they don't have melanin to direct their neurons |
|
Definition
| what is true about most cats with blue eyes? why? |
|
|
Term
|
Definition
| fixed tissue macrophages, phagocytic antigen presenting cells |
|
|
Term
| Langerhans cells, looks like a tennis racket, not sure what they do :) |
|
Definition
| where are birbeck granules, where are they found? what do they do? |
|
|
Term
|
Definition
| where are Langerhans cells located |
|
|
Term
|
Definition
| involved in contact allergic dermatitis, contain abundant cytoplasmic extensions |
|
|
Term
| Langerhans cells, eats up pigment quite proud of itself (that is not phagocytized), then dies, barfs it up, and another one eats the pigment causing the tatoo to blur/fade |
|
Definition
| what cells are involved in tatooing? how? |
|
|
Term
|
Definition
| embryological outgrowths of epidermis |
|
|
Term
| hair, nails, sebaceous glands, sweat glands, horns |
|
Definition
|
|
Term
|
Definition
| cyllindical downgrowth of epithelium surrounded by collagen sheats |
|
|
Term
|
Definition
| what is the hair shaft produced by? |
|
|
Term
|
Definition
| where does hair growth occur? |
|
|
Term
|
Definition
| the deep terminal expansion of follicle |
|
|
Term
| actively dividing epithelial cells homologous to stratum basale |
|
Definition
| what lines the hair bulb? |
|
|
Term
|
Definition
| what is the vascular core at the base of the bulb |
|
|
Term
| ridges that stick up into the epidermis, also the thing at the base of the hair shaft |
|
Definition
| what is/are dermal papilla |
|
|
Term
|
Definition
| the dermal papilla (on the hair shaft) is a finger like invagination of ____ containing blood vessels |
|
|
Term
|
Definition
| in hair growth as the epithelial cells lining the hair bulb mature, they fill it with ______ arranged in parallel bundles |
|
|
Term
| hard k has more di-sulfide bonds and cross-linkages |
|
Definition
| what is the difference between hard and soft keratin? |
|
|
Term
| melanocytes nearby the hair follicle produce melanin which is incoporated into the cortex |
|
Definition
| how do hair cells get pigment? |
|
|
Term
| outer cortex and inner medulla |
|
Definition
| what does the hair shaft consist of? (2 parts) |
|
|
Term
|
Definition
| what covers the shaft of the hair, made of overlapping keratin plates to prevent matting |
|
|
Term
|
Definition
| separates the hair bulb from surrounding dermis |
|
|
Term
| internal and external root sheath |
|
Definition
| developing hair is surrounded and protected by ______ and ______ which line the hair follicle |
|
|
Term
| decreased melanocyte production of melanin causes air bubbles in the hair shaft and separation of the fibers |
|
Definition
| how do gray hairs happen? |
|
|
Term
| protection and thermoregulation |
|
Definition
| what is the purpose of hair? |
|
|
Term
|
Definition
| where is hair not found on humans? |
|
|
Term
|
Definition
| name for the growth phase of hair |
|
|
Term
|
Definition
| name for the resting phase of hair |
|
|
Term
|
Definition
| name for follicle atrophy |
|
|
Term
| dormant telogen follicles (they retired and went to Florida) |
|
Definition
|
|
Term
| fine body hair in women and children, similar to soft undercoat in many mammals |
|
Definition
|
|
Term
|
Definition
| outer hair coat of most mammals is compose of this |
|
|
Term
|
Definition
| in males at puberty, vellus hair is replaced by coarse _____ hairs similar to guard hairs or hair on scalp |
|
|
Term
|
Definition
| most common form of hair loss, affecting 30-40% of adults--genetic and androgen dependent |
|
|
Term
|
Definition
| affected individuals of androgenic allopecia have high levels of _______ the enzyme that converts testosterone to dihydroxytestosterone -> follicular atrophy |
|
|
Term
|
Definition
what shape are the hairs of people with:
1) straight hair
2) wavy hair
3) curly hair |
|
|
Term
|
Definition
| bundles of smooth muscle cells that attach to hair follicle and sheath and insert on epidermal ridges |
|
|
Term
| piloerection-sympathetic stimulation due to cold/fear/aggression |
|
Definition
|
|
Term
|
Definition
| flattened nails are unique to ___ |
|
|
Term
|
Definition
| nails consist of a _____ that rests on stratified squamous epithelium of nail bed |
|
|
Term
|
Definition
|
|
Term
|
Definition
| part of nail that extends into dermis, attaches to periosteum of distal phalynx |
|
|
Term
| proliferation and differentiation at nail root in germinative zone of nail matrix |
|
Definition
| nail growth occurs by what mechanism? |
|
|
Term
|
Definition
| underlies lunula, covered by superficial cuticle |
|
|
Term
|
Definition
| white crescent at base of nail |
|
|
Term
|
Definition
|
|
Term
|
Definition
| as epithelial cells mature they fill with keratin and die, forming the ______ |
|
|
Term
|
Definition
| nail plate consists of densely packed parallel _______ _____ filaments embedded in amorphous matrix |
|
|
Term
|
Definition
| ____ slides over the underlying nail bed as it grows |
|
|
Term
|
Definition
| alveolar holocrine glands consisting of branched ascini |
|
|
Term
| outgrowths of the external root sheath |
|
Definition
| sebaceous glands are one or more glands associated with each hair follicle, they develop as _______ ___ ___ _______ _____ ____ |
|
|
Term
| sebum (high lipid content and cell debris-holocrine), pilosebaceous canal |
|
Definition
| what do sebaceous glands secrete? what is the name of the duct? |
|
|
Term
| waterproofing, moisturizing skin and hair |
|
Definition
| what is the function of sebaceous glands |
|
|
Term
| non-haired transitional skin (they secrete directly on skin surface) |
|
Definition
| where else are sebaceous glands found besides hairs? |
|
|
Term
| each hair follicle + associated arrector pili muscle + sebaceous gland |
|
Definition
| what makes up a pilosebaceous unit? |
|
|
Term
|
Definition
| excess sebaceous gland sebum production |
|
|
Term
|
Definition
| simpled, coiled tubular glands surrounded by myeloepithelial cells which assist in secretion |
|
|
Term
| merocrine/eccrine & apocrine |
|
Definition
|
|
Term
|
Definition
| people with good complexions have lots of ____ |
|
|
Term
| all over most of body surface, EXCEPT lips and genitalia |
|
Definition
| location of merocrine(eccrine) sweat glands |
|
|
Term
| merocrine(eccrine) sweat gland |
|
Definition
| unbranched, coiled, tubular glands with 1-2 layers of cuboidal to columnar epithelium with excretory ducts |
|
|
Term
|
Definition
| this type of gland secretes only product |
|
|
Term
|
Definition
| this type of gland secretes product and some cytoplasm |
|
|
Term
| sweat pore on epidermal ridge |
|
Definition
| sweat is secreted onto skin via a ____ ___ on ___ ____ |
|
|
Term
| hypotonic solution of salts, ammonia, urea, uric acid |
|
Definition
| what is in merocrine/eccrine sweat? |
|
|
Term
|
Definition
| how much fluid is lost per day due to evaporation from lungs, skin, and mucous membranes |
|
|
Term
|
Definition
| thermoregulatory sweating is (parasympathetic/cholinergic or sympathetic/adrenergic) |
|
|
Term
| axillae, forehead, scalp, last on hands and feet |
|
Definition
| where does thermoregulatory sweating first occur? last? |
|
|
Term
|
Definition
| where does emotional sweating occur first? |
|
|
Term
|
Definition
| emotional sweating is (parasympathetic/cholinergic or sympathetic/adrenergic) |
|
|
Term
|
Definition
| coiled tubular gland with large dilated lumina. secretory cuboidal epithelium, 2-3 layers thick, surround large glandular lumen |
|
|
Term
|
Definition
| gland located in axillae and groin, develop at puberty |
|
|
Term
|
Definition
| discharge thick viscid secretions into hair follicle |
|
|
Term
| proteins, carbs, ammonia, lipids, and organic products |
|
Definition
| what is in apocrine sweat? |
|
|
Term
| yes when it's secreted, but bacterial breakdown makes the acrid odor |
|
Definition
| is apocrine sweat odorless? |
|
|
Term
|
Definition
| in mammals this serves as a sexual attractant pheremone used in scent marking and territoriality |
|
|
Term
|
Definition
| apocrine glands are (parasymp/cholergenic or symp/adrenergic) |
|
|
Term
| external auditory meatus (ear canal) they are modified apocrine glands that secrete earwax |
|
Definition
| where are ceruminous glands located? |
|
|
Term
|
Definition
| what animals did he mention have modified anal sweat glands? |
|
|
Term
| mammary ridges or milk lines |
|
Definition
| mammary glands develop along paired epidermal ridges called _____ ___ which extend from the axillae to the groin |
|
|
Term
| only the first pair, in other mammals there are more |
|
Definition
| in humans what pair of glands along the milk line develops? |
|
|
Term
|
Definition
| highly modified apocrine sweat glands identical in male and female until puberty |
|
|
Term
| in female, the pituitary and ovarian hormones cause them to develop and produce milk following pregnancy |
|
Definition
| what causes mammary glands to develop? |
|
|
Term
| they atrophy and involute |
|
Definition
| what happens to mammary glands at menopause? |
|
|
Term
| dense, irregular, collagenous connective tissue, interspersed with lobules of adipose tissue |
|
Definition
| what is found in inactive glands? |
|
|
Term
| lactiferous ducts surrounded by myoepithelial cells which empty into lactiferous sinus in region of nipple |
|
Definition
| what drains mammary glands? |
|
|
Term
|
Definition
| pigmented region of the epidermis surrounding the nipple |
|
|
Term
| stratified squamous epithelia with deep dermal ridges |
|
Definition
| what type of epithelia is the areola? |
|
|
Term
| areolar glands: merocrine sweat and sebaceous glands |
|
Definition
| type of glands found in the areola |
|
|
Term
|
Definition
| during _____ mammary glands enlarge due to hypertrophy of secretory cells and accumulation of secretory product |
|
|
Term
colostrum-an alkalineyellowish scretion with high protein and salt, low lipid and carbohydrate
ALSO-large amount of antibodies, important in passive immunity tranfer to offspring |
|
Definition
| what is secreted the first few days after birth and what is is composed of? |
|
|
Term
|
Definition
| is milk production merocrine or apocrine? |
|
|
Term
protein-mostly merocrine
lipid-mostly apocrine |
|
Definition
| what glands does the protein part of milk come from? the lipid? |
|
|
Term
|
Definition
| mechanoreceptors/touch receptors especially prominent in hands, feet, lips, genitalia (sensitive places) |
|
|
Term
| dermal ridges of papillary dermis |
|
Definition
| what layer of skin are meissner's corpuscles found? |
|
|
Term
|
Definition
| afferent nerve fibers associated with minimally modified Schwann cells, cylindrical in shape |
|
|
Term
| large ovoid structures-mechanoreceptors , in dermis and hypodermis |
|
Definition
| what are pascinian corpuscles, and where in the skin are they found? |
|
|
Term
| prominent in fingertips and around joints |
|
Definition
| where in the body are pacinian corpuscles |
|
|
Term
|
Definition
| detects mechanical and vibratory pressure |
|
|
Term
|
Definition
| consists of affent nerve fibers surrounded by highly modified Schwann cells-form coencentric lamellae separated by fluid filled spaces |
|
|
Term
|
Definition
| consists of affent nerve fibers surrounded by highly modified Schwann cells-form coencentric lamellae separated by fluid filled spaces |
|
|
Term
|
Definition
| most numerous sensory receptors present in epidermis and papillary dermis-surrounds most hair follicles |
|
|
Term
|
Definition
| do free nerve endings have a CT capsule and/or schwann cells |
|
|
Term
| heat/cold, touch, pain, movement |
|
Definition
| what things do free nerve ending sense? |
|
|
Term
|
Definition
| epidermal cells derived from nerual crest, located in stratum basale, contain dense core granules |
|
|
Term
|
Definition
| pressure sensitive mechanoreceptors associated with free afferent nerve endings |
|
|
Term
| healing from a clean, surgical approximated incision |
|
Definition
| what is first intention healing? |
|
|
Term
|
Definition
| what happens to the incision immediately in first intention healing |
|
|
Term
| neutrofils infiltrate the clot |
|
Definition
| what happens in 3-24 hours in first intention healing? |
|
|
Term
| 24-48 hours, epithelial cells of stratum basale begin mitosis |
|
Definition
| how long does it take for the epithelia to close(reapproximate)? how does it happen? |
|
|
Term
| neutrophils are replaced by macrophages (transition from acute to subacute phase) |
|
Definition
| what happens in days 3-7 of first intention healing? |
|
|
Term
1)neovascularization (blood vessel growth)
2) fibroplasia(fibroblasts come in with collagen)
3) re-epithelialization(epithelial proliferation & production of granulation tissue) |
|
Definition
| in first intention healing, when the cells transition from acute to subacute phase what 3 processes occur? |
|
|
Term
| the incision is filled with granulation tissue |
|
Definition
| what happens on day 5 of first intention healing? |
|
|
Term
| continued fibroplasia and collagen accumulation with decreased inflammation ->mature granulation tissue |
|
Definition
| in week 2 of fist intention healing, what happens? |
|
|
Term
| week 2, presence of inflammatory cells and their cell products |
|
Definition
| when do scabs start to itch and why? |
|
|
Term
| there is a CT scar without inflammation covered by intact epithelium |
|
Definition
| what happens in month 2 of first intention healing? |
|
|
Term
| collagen breaks down and old scars can re-open and bleed |
|
Definition
| what happens to scars with a vit. C deficiency? |
|
|
Term
|
Definition
| occurs with more extensive loss of tissue where wound edges do not approximate (infarct, ulcer, abcess) |
|
|
Term
|
Definition
| what is the rate of migration of epithelial cells of the stratum basale from the edge of the wound? |
|
|
Term
|
Definition
| how long does it take to fill a 1cm wide cut? |
|
|
Term
| haired skin->migration of cells from external root sheath of hair follicles |
|
Definition
| what helps speed up re-epithelialization in second intention healing? |
|
|
Term
|
Definition
| in second intention healing, simultaneous proliferation/maturation of ______ behind migrating front slowly restores multilayered, stratified epidermis |
|
|
Term
|
Definition
| how long does it take cells to mature from stratum basale to stratum corneum? |
|
|
Term
| keratinization of new cells |
|
Definition
| what causes desquamation and lifting of scab from the periphery (at 3 wks) |
|
|
Term
|
Definition
| what causes wound contraction? |
|
|
Term
|
Definition
| in a full thickness abrasion or 3rd degree burns, re-epithelialization is limited by size of wound, ____ is generally necessary |
|
|
Term
it clears blocked ducts/vessels and stimulates a second wave of migration, and new granulation tissue
also minimizes scarring |
|
Definition
| why is picking your scabs good? |
|
|
Term
|
Definition
| disease where antibodies jack up antigens in hemidesmosomes in lamina lucida, causing separation of the dermis and epidermis ->blisters |
|
|
Term
|
Definition
| benign accumulation of melanocytes in the dermis |
|
|
Term
| they are all things that assist with waterproofing skin |
|
Definition
| what do lamellar bodies, sebaceous glands, and keratinization have in common? |
|
|
