Ch 3 The Integumentary System - Dermatology Flashcards
memorize terms
integumentary system
the skin
roots: (cutaneo/ dermo)
skin
The outermost layer the one that is visible and is made of large cells that look like scales.
Epidermis
largest organ of the body
skin
skin is affected by environmental variables such as:
- Chemicals
- Pathogens
- Radiation
- Temperature
Functions of the skin
- Barrier and Protection
- Vitamin D production
- Body temperature regulation
- Sensation
- Excretion (sweat)
Under the epidermis lies a deeper layer that is much thicker has fewer cells and more thick fibers to give the skin strength and flexibility.
- home to hair follicles, nerves, and glands
dermis
Skin has two types of glands, which are groups of cells that release fluid.
- sweat glands (hidro) release sweat to rid the body of waste and cool the body
-sebaceous glands (sebaceo) secrete oil as a natural moisturizer for the skin and hair.
The nerves of the dermis detect …
Fine pressure, deep pressure, temperature, and pain
- Skin is the largest sensory organ in your body.
The end of your fingers and toes are nails specialized tissue made of hard substance
Keratin
Nails functions
- protect fingers/ toes
- provide a good base for movement
adip/o, lip/o, steat/o
Fat
cutane/o, derm/o, dermat/o
skin
pil/o, trich/o
Hair
hidr/o
Sweat
onych/o, ungu/o
Nail
seb/o, sebace/o
Oil
crypt/o
hidden
kerat/o
hard, horny
xer/o
dry
leuk/o, alb/o
white
erythr/o
red
xanth/o
yellow
melan/o
black
abrasion
ab/ rasion
away/ scrape
(uh-BRAY-zhun)
scraping away of skin
albinism
albin/ ism
white/ condition
(AL-bih-nizm)
lack of pigment in skin causing patient to look white
albino
(al-BIH-noh)
a person afflicted with albinism
alopecia
(AL-oh-PEE-shah)
baldness
anhidrosis
an/ hidr/ osis
no/ sweat/ condition
(AN-hai-DROH-sis)
lack of sweating
comedo
to eat up
(KOM-eh-doh)
a hair follicle that is plugged with sebum (black head, white head)
cyanhidrosis
cyan/hidr/osis
blue/sweat/condition
(sai-an-hai-DROH-sis)
blue sweat
depigmentation
de/pigment/ation
away/pigment/ condition
(DE-pig-men-TAY-shun)
loss of pigmentation
dermatalgia
dermat/algia
skin/ pain
(DER-mah-TAL-jah)
skin pain
dermatodynia
dermato/dynia
skin/pain
(der-MAH-toh-DIH-nee-ah)
skin pain
dermatolysis
dermato/ lysis
skin/ loose
(DER-mah-TAWL-ih-sis)
loose skin
erythema
redness
(ER-ih-THEE-mah)
redness
erythroderma
erythro/ derma
red/ skin
(eh-RITH-roh-DER-mah)
red skin
hemathidrosis
hemat/hidr/osis
blood/sweat/condition
(hee-MAT-hai-DROH-sis)
sweating blood
hidropoiesis
hidro/ poiesis
sweat/ formation
(HAI-droh-poi-EE-sis)
the formation of sweat
hyperhidrosis
hyper/ hidr/ osis
over/ sweat/ condition
(HAI-per-hai-DROH-sis)
excessive sweating
hyperkerotosis
hyper/ kerat/ osis
over/ horny/ condition
(HAI-per-KER-ah-TOH-sis)
excessive growth of horny skin
hypermelanosis
hyper/ melan/ osis
over/ black/ condition
(HAI-per-mel-ah-NOH-sis)
excessive melanin in the skin
hyperpigmentation
hyper/ pigment/ ation
over/ pigment/ conditon
(HAI-per-PIG-men-TAY-shun)
excessive pigment in the skin
hypohidrosis
hypo/hidr/osis
under/ sweat/ conditon
(HAI-poh-hai-DROH-sis)
diminished sweating
hypomelanosis
hypo/melan/osis
under/ black/ condition
(HAI-poh-mel-ah-NOH-sis)
diminished melanin in the skin
hypopigmentation
hypo/pigment/ation
under/pigment/condition
(HAI-poh-PIG-men-TAY-shun)
diminished pigment in the skin
leukoderma
leuko/derma
white/skin
(LOO-koh-DER-mah)
white skin
macerate
to make soft
(MAS-ih-rayt)
to soften the skin
onychophagia
onycho/ phagia
nail/ eat
(awn-ih-koh-FAY-jah)
eating or biting the nails
pruritus
itching
(proo-RAI-tus)
an itch
rhytidermia
rhyti/dermia
wrinkle/skin
(rih-tih-DER-mee-ah)
wrinkled skin
sebopoiesis
sebo/poiesis
oil/formation
(see-boh-poi-EE-sis)
formation of oil (sebum)
seborrhea
sebo/rrhea
oil/ discharge
(seb-or-EE-ah)
discharge of oil (sebum)
trichomegaly
tricho/megaly
hair/ enlargement
(TRIK-oh-MEG-ah-lee)
abnormally thick hair
urticaria
burning nettle
(URT-ih-KAR-ee-ah)
swollen raised itchy area of the skin
xanthoderma
xantho/ derma
yellow/ skin
(ZAN-thoh-DER-mah)
yellow skin
xeroderma
xero/derma
dry/ skin
(ZER-oh-DER-mah)
dry skin
xerosis
xer/osis
dry/ condition
(ze-ROH-sis)
condition of dryness
rash is limited to a specific area
localized
rash is all over the body
generalized
rashes that start from the middle and work their way outward are..
centrifugal
Rashes that spread from the outside inward are
centripetal
small bumps (under 1cm )
papules
bumps over 1cm
nodules
large and flat bumps like a plateau
plaques
small bumps (less than 1cm) filled with clear fluid are called
vesicles
Bumps filled with pus are known as
pustules
A large vesicle such as a blister is called
bulla
larger pustules are called
abscesses
small flat spots such as freckles are known as
macules
larger macules are
patches
macule, macula (freckle)
spot or stain
(MAK-yool), (MAK-yoo-lah)
*Flat, Nonpalpable
small, flat, discolored area
patch (vitiligo)
spot or stain
pach (vit-il-AI-goh)
*Flat, Nonpalpable
lager, flat, discolored area
papule
pimple
(PAP-yool)
*Elevated, Palpable, Solid mass
a small solid mass
plaque
(PLAK)
*Elevated, Palpable, Solid mass
a solid mass on the surface of the skin
nodule
(NOJ-yool)
*Elevated, Palpable, Solid mass
a solid mass that extends deeper into the skin
tumor
(TOO-mur)
*Elevated, Palpable, Solid mass
a larger solid mass