HPRS 1206 Ch.16: Skin

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Austin Community College; Professor Bodman Language of Medicine

1st degree burn

epidermal burn

2nd degree burn

epidermal and dermal burn

3rd degree burn

destruction of epidermis and dermis; damage to subcutaneous layer

adip/o

fat

adipose tissue

fat tissue

albinism

genetic disorder where the melanocytes don't produce pigment

albin/o

white

alopecia

absence of hair from where it normally grows

cutane/o

skin (alternative word)

cyst

fluid filled sac

dermis

middle layer of skin; contains collagen

diaphor/o

profuse sweating

ecchymosis

bruising

eczema

an allergic reaction with redness and popules

epidermis

outer most layer of skin

erythem/o

redness

erythema

redness of the skin

erythroderma

redness of the skin

gangrene

death of tissue due to blood loss

hidrosis

sweating

hyperhidrosis

excessive or profuse sweating as a problem of itself

kerat/o

hard

keratin

hard protein

lesion

change to normal tissue

leuk/o

white

melan/o

black

melanin

brown-black pigment gives skin color

myc/o

fungus

onych/o

nail

pruritus

itching

pustule

small infection

scabies

skin parasite lays eggs in the dermis, contagious parasitic infection with intense pruritus

Functions of the Skin

Protection
Sensation
Temperature and fluid control

Stratum Corneum

Most superficial layer of epidermis; made of keratin

Basal Layer

Deepest layer of epidermis; source of all cells in the epidermis

Melanocytes

Located in Basal layer; Contain brown-black pigment melanin

What are the four things dermis contains?

Blood and lymph vessels
Hair follicles
Glands
Nerve fibers

What is the dermis supported by?

Collagen and Connective Tissue

Subcutaneous Layer

Deepest layer of skin; fat cells

pil/o

hair

paronychium

soft tissue surrounding nail border

cuticle (epidermal)

Base and sides of nail

onych/o/lysis

loosening of the nail

ungu/o

nail

sebaceous gland

secretes sebum

sebum

oily secretion

Location of Sebaceous Gland

hair follicles

-crine

secrete

Ec/crine

ODORLESS sweat of hands and feet

Apo/crine

sweat of armpits and groin; body odor

Apocrine glands become active during...

Puberty

cyan/o

purple

erythr/o

red

jaund/o

whole person is yellow

xanth/o

discrete areas of skin are yellow

icterus

the condition of being yellow

cirrh/o

tawny yellow (like a lion)

chym

to pour

diaphor/o

profuse sweating

diaphoresis

condition of profuse sweating

hidr/o-

sweat

anhidrosis

condition without sweat

ichthy/o

severe dryness

ichthyosis

condition of severe dryness

xer/o

dryness

xeroderma

dry skin

dermatomycosis

fungal infection of the skin

onychomycosis

fungal infection of the nail

subungal

under the nail

keratosis

thickened and rough lesion of the skin

xanthoma

yellow build up of the skin; typically fat build up under the skin

melanoma

cancerous growth of melanocytes

seb/o

sebum

seborrhea

flow of sebum

ulcer

very deep erosion of the skin

vesicle

superficial blister

papule

small elevation of the skin (e.g. pimple)

macule

small, flat lesion (e.g. freckles)

wheal

red swollen papule (hives)

Impetigo

bacterial infection

Mycosis

fungal infection

Tinea

ringworm

tinea corposis

ringworm on trunk

tinea pedis

athlete's foot

tinea unguium

ringworm of the nail

tinea barbae

ringworm on the beard (facial hair)

tinea capitis

top of head

wart (verruca)

viral infection

infestation

organisms that live in the skin

scabies

parasitic infection of the skin

acne

sebum and keratin blocking pores

psoriasis

chronic itchy, silvery scales on skin and red plaques

atopy

hereditary tendency to allergic reactions

atopic

hereditary tendency to allergic reactions

prurit/o

itch

Urticaria

hives

Where are the nerve endings in the skin located?

dermis

Gangrene

death of tissue due to ischemia

Treatment for Gangrene

Excision or Amputation

Carcinoma

cancerous tumor

basal cell carcinoma

most frequent carcinoma; no metastasis

squamos cell carcinoma

Malignant carcinoma

actinic keratosis

squamos cell pre-malignant lesion

actin-

light

dys/plast/icnevus

abnormal mole change

Acronym for checking for moles

ABCD: Asyymetry Border Color Diameter

cry/o/surgery

freezing

curretage

scraping

skin biopsy

malignant lesions are removed by mircoscopically by a pathologist (punch or shave biopsy)

PPD

Purified Protein Derivative (test for tuberculosis)

SC & SD

Subcutaneous

Leukoplakia

white plaque

scleroderma

skin hardening

piloerection

erection of the hair

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